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Reading Comprehension in the Math Classroom
Sara Suckstorff
TE 846 12/8/12
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Introduction: Setting, Student, and Goals
In order to successfully meet the goals of this project, I wanted to make sure I selected
the appropriate student, administered my lessons in the appropriate setting, and focused on
strategies that would benefit the literacy development of the selected student. Admittedly, I still
lack some confidence in my ability to integrate literacy skills into my daily lessons. I teach 6th
grade math and feel that our math curriculum, while focusing on important skills and strategies
like cooperative learning, and self-guided investigation and exploration, does not leave much
room for teachers to add additional content. Integrating literacy into my math activities is only
part of what I am going to focus on for this project--the other part concentrates on reading
comprehension strategies. I will first provide some background information on the structure of
our school day.
I am one of three sixth grade math teachers at an International Baccalaureate middle
school in Charlotte, NC. Our student’s move with the same “home-base” group to their four core
teachers (math, science, language arts, and social studies). Students then become dispersed
among their 6th
grade peers to attend their elective subjects, and finally return to their home-base
teacher’s classroom for the final 45 minutes of the day.
The final period is called “Academic Enrichment,” during which our sixth graders
participate in lessons and activities surrounding current events, work through inter-disciplinary
units, and engage in community and service projects. Students seem to really enjoy Academic
Enrichment, and I also look forward to teaching it. Academic Enrichment lessons are created by
the sixth grade team of teachers and are structured to be a time when students participate in
activities that extend their learning outside of content-specific curriculum. This year students
have already researched the presidential election, participated in a Martin Luther King Jr. writing
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contest, attended weekly exploratory clubs, and engaged in Advisory lessons on bullying,
organization, goal-setting, and communication. Because of the exciting, diverse, cooperative, and
safe atmosphere surrounding Academic Enrichment, I thought it would be the perfect time to
administer my literacy lessons to my focus student (Standard IV: Ability to establish a caring,
stimulating, inclusive, democratic, and safe literacy learning community where students take
risks and work independently and cooperatively).
In order to determine which student to work with, I sought the advice of the language arts
teacher on my team, Mrs. Carth (all names in this project are pseudonyms to maintain privacy).
It is said that, “in order for students to reach their established literacy goals, all school personnel
must be involved in the instructional process,” which is the practice of my four-person team
(Dennis, Dec., 2009 - Jan., 2010). We teach the same four classes of students, and discuss their
progress, successes, challenges, academics, and behavior on a daily basis. Even though I don’t
explicitly teach reading and writing, I have been able to assess which students struggle through
classroom activities. However, I wanted to receive additional input from Mrs. Carth to inform
my decision of with whom to work.
I decided to focus on a student named Evan for these literacy lessons. Mrs. Carth had
already identified Evan as a student who struggles with reading comprehension. Mrs. Carth and
I examined data received from the language arts Measures of Academic Progress (MAP) test
taken by Evan and his classmates. MAP is a program that provides online adaptive exams that
our students take three times a year (NWEA, 2012). These tests are taken in language arts and
math classes and measure students’ growth within these two subjects. The content is aligned to
the Common Core State Standards and along with these assessments comes a plethora of data
about students’ skills. Evan’s MAP score on the Fall language arts assessment was a 190. I have
3
included a break-down of normed Language Arts MAP scores based on students across the
nation (Appendix A). From this chart you can see that Evan’s MAP score places him around a
3rd
grade reading level. While this one score is certainly not enough information to gauge Evan’s
language arts skills, it is an additional data point that needs to be considered. With this data in
mind, I wanted to work with Evan on this project to support his literacy development (Standard
III: Knowledge of literacy learners’ understandings, skills, strategies, interests, values, and
aspirations).
Evan is 12 years old, loves football and math, and lives with his mom and step-dad. I
learned that Evan attended private school for four years and then transferred back to public
school in sixth grade. As a result, our school lacks state-testing data on Evan. Private school
students do not take the same End of Grade Tests (EOGs) that public school students in the state
of North Carolina must take. Students’ scores on this test are used by my school’s administrators
to place them into ability-leveled classes. Since Evan’s record does not contain this data, our
assistant principal had difficulty determining what home-base to place him in at the start of the
school year (Blane, 2012). As the year has progressed, Mrs. Carth has noticed that Evan’s
reading skills are behind that of his classmates. However, she believes it is beneficial for Evan
to be in a class with higher-leveled readers and writers that “help boost his performance”
(McCarth, 2012). Evan does not receive any instructional modifications or support, and is in an
honors math class. Evan’s first language is English and he does not speak a second language at
home (Standard III: Knowledge of literacy learners’ understandings, skills, strategies, interests,
values, and aspirations).
Although this case study is focused on Evan and his literacy skills, I chose to also teach
these lessons to two other classmates for a few specific reasons. First, I did not want Evan to
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feel like he was being singled out by me, nor for his peers to think similarly. It is not uncommon
for me to be working with small groups of students on certain topics, so this was a more
comfortable situation for all. I taught these two literacy lessons while my other students were
working on a separate activity in the classroom. Secondly, I wanted to be able to obtain more
data about the outcome of my lessons in order to have a more complete view of this project. By
involving two more students I have the ability to compare Evan’s outcomes with those of his
peers to create stronger observations and conclusions. I decided to ask two students to
participate in this lesson who I know Evan is comfortable around; Sam is an advanced reader and
Molly excels in math but not enjoy language arts.
One of my goals was to focus on reading comprehension in math. This is something
that my colleagues and I see our students struggle with in many different contexts (Brown &
Kollar, 2012). For example, students can solve a basic fraction multiplication problem, but when
that skill is embedded in a word problem they fail to answer it correctly. I often see this
disconnect in Evan’s work. When I examine his shown work, I notice he often performs the
main math skills properly, but his final answer is incorrect. I’ve realized this is because he has
not fully understood what the question is asking, and therefore, he misses the last step or two in a
multi-step problem. At the root of this disconnect is Evan’s inability to fully comprehend the
problem and then apply that knowledge to determine the correct steps or numbers needed to
solve it. Therefore, one goal of mine is to give Evan more ways to engage with text before,
during, and after reading. If I can teach Evan a process through which to work while he is
reading, I hope to be able to positively influence his comprehension abilities (Standard I:
Knowledge of learning and child development theories and the processes of reading and writing
to inform literacy assessment and instruction).
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A second goal of mine is to teach Evan strategies for organizing facts and pulling out
important pieces of information from whatever source he may be using. I’ve noticed that Evan
tends to miss important details needed to solve a problem. This can result in confusion or
careless errors being made. I want to teach Evan a strategy for slowing down in his work and
organizing the information presented in a text so his comprehension of that text will hopefully
increase.
Based on these observations, I chose to focus on two literacy strategies that help to negate
these challenges: the “cluster diagram” and “SQ3R” strategies. The goals of these instruments
are to help students organize or classify information, be thorough, engage with text, and
therefore, help with reading comprehension. Success in these areas will not only improve Evan’s
math performance, but should translate into success in all his other content areas (Standard VI:
Ability to use a variety of approaches and activities, derived from high-quality research, to help
students improve their literacy skills).
Cluster Diagram and SQ3R: What are They?
I discovered the cluster diagram (Appendix B) graphic organizer from the curriculum
materials used by our school’s language arts department. Mrs. Carth gave me teacher access to
the students’ language arts online textbook, which also comes with supporting materials and
resources for students, teachers, and parents (Holt McDougal, 2012). As I explored the various
literacy tools, I was drawn to the cluster diagram because of the importance it places on the
recognition and organization of facts—one of my goals for Evan to progress in. Since the role of
a graphic organizer is, “to make concepts more concrete, depict relationships, serve as an aid to
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memory, and use context to enhance learning,” I thought this would be a great resource for Evan
(Ehren, 2005).
In this cluster diagram, the overall theme or topic of the reading gets placed in the center
circle, signifying its importance. The main ideas become branches off of this (four such spaces
available on this specific diagram) and then even smaller circles protrude from the four main
ideas. These smallest circles are the supporting facts that come directly from the reading.
I have seen other graphic organizers, like the Web Diagram, in which students simply
pull out facts and place them randomly around a center topic (see Appendix C as an example).
One reason I wanted to use the cluster diagram, as opposed to another option, is the emphasis
placed on the hierarchy of facts. This cluster diagram is similar to the traditional outline but just
formatted differently, using circles and a web-like effect to aid in organization (Standard V:
Ability to select, adapt, create, and use rich and varied assessment and instructional resources
that enhance students’ literacy achievement).
One Common Core writing objective being taught, practiced, and applied by our 6th
grade
students is how to correctly create and format a five paragraph essay: introduction with thesis,
paragraphs with topic sentences and supporting ideas, and a conclusion (CCSSO, NGA, 2010). I
learned from speaking with Mrs. Carth that Evan in particular (as well as many of his
classmates) struggle to create topic sentences and include supporting details in these paragraphs
(McCarth, 2012). I wanted to use this cluster diagram graphic organizer to support and develop
Evan’s abilities to pick out important facts and see the organizational structure of these bits of
information (Standard II: knowledge of curriculum content and grade-level performance
expectations).
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My second literacy strategy is called SQ3R (Appendix D). SQ3R stands for survey,
question, read, recite and review. These five actions are completed before, during, and after
reading to help, “enhance comprehension and retention of information” (Literacy and Learning:
Reading in the Content Areas, 2002). The main sections of SQ3R almost perfectly align with the
set of 6 strategies described by Smith and Read that are “important to student comprehension”:
prediction, monitoring and clarifying, questioning, summarizing, and visualizing (Smith & Read,
2009). SQ3R has simply taken those strategies and compacted them into an easily accessible
format.
Within SQ3R, the first step is to “survey”. The survey portion involves students getting
an overview of the material by looking at chapter titles, reading the introductory and summary
paragraphs, looking at bold and italicized text, and examining any diagrams, pictures, maps, or
captions included. This survey step is supposed to help students preview the material and, “give
enough information to generate individual purposes for reading the text” (Literacy and Learning:
Reading in the Content Areas, 2002). Questioning involves looking at any pre-reading questions
that may have been provided and using these to help guide the reading. If these are not available,
then students are instructed to turn section headings into questions that allow them to search for
answers as they read.
The read, recite, and review steps are the final phases of the SQ3R process. After
students have read the passage, they attempt to “recite” or answer the guiding questions without
looking back at the text. “This step helps in transferring information from short-term to long-
term memory” (Literacy and Learning: Reading in the Content Areas, 2002). And finally, the
review section is when students check back over their answers and use the text to verify the
accuracy of the information they learned. This is important because it provides immediate
8
feedback to students and helps them retain information (Literacy and Learning: Reading in the
Content Areas, 2002). I’m hopeful Evan will be more proactive in employing these skills, even
when not explicitly instructed by a teacher.
SQ2R is an almost identical comprehension strategy that was presented in our course
materials. However, I know that my students have previously been exposed to SQ3R in their
language arts classes. I wanted to keep the consistency between teachers and content areas to
avoid confusion, so I proceeded with SQ3R (Standard II: knowledge of curriculum content and
grade-level performance expectations).
Cluster Diagram Lesson Description
I began this lesson by engaging my three students in a brief discussion about how long it
would be until they were able to drive a car (5 years for both). I also asked if they have ever
seen the Disney movie “WALL-E” where the overweight human characters are driven around by
computerized chairs. All three students had seen this movie and knew exactly what I was talking
about. This was the perfect segue into introducing the article I chose to use with this strategy. I
found it in the Los Angeles Times online newspaper entitled “Self-driving cars are approaching
fast—and safely” (Appendix E). However, I didn’t want my three students to jump right into
this activity without group practice and modeling for support.
I introduced the cluster diagram graphic organizer to the students and asked when they
have used graphic organizers before. “In language arts class!” was the first response from Sam.
Evan added that their social studies teacher, Mr. Hare, had recently taught the students how to
complete a “different looking” graphic organizer using information about ancient civilizations
which they are currently studying. I explained that we were going to use this cluster diagram to
9
organize facts presented in our informational article entitled, “Gain for Gorillas” (Appendix F)
found on the Time for Kids website (Keady, 2012). The students immediately wanted to share
facts they knew about gorillas, but in order to keep the lesson on track I asked them to write
down their connections so we could discuss it after the lesson.
I then took a few moments to ask students to predict how the cluster diagram is
organized, simply by looking at the circles. Sam suggested we used highlighters to show the
different “levels” of facts, which we did (Appendix G). I asked the students in their own words
to describe the different circles, which is what you also see labeled. I explained to students that
the use of this diagram is supposed to help you organize facts and therefore increase your
understanding of what you are reading. I paused for questions and then we delved into the
article.
As a group we “popcorn” read “Gain for Gorillas” and then began completing the cluster
diagram together (but each creating our own artifact). Filling in the main topic of “mountain
gorillas” was very easy, but we took a few extra moments to discuss the different possibilities for
the four big supporting details. I also stressed to students that they did not have to fill in every
single circle on this diagram. On the other hand, if they needed to add in circles, I encouraged
them to do so. I wanted to make sure students were comfortable changing around the format of
this graphic organizer to best suit their needs. The completed cluster diagram we created
together can be seen in Appendix H.
After we finished, I asked a few questions: “Now that we are done, how do you think this
helped you organize the important facts in this article?” Evan said he liked the way it looked,
and that it was easy for him to see the connections. Molly thought that it was “cool” to read
10
about Gorillas, but “next time I wouldn’t need to fill in a diagram unless what we read was more
complicated.”
This was my cue to pass out the article about self-driving cars I had piqued their interest
with at the beginning of the lesson. At this point, we only had a few minutes left of class. As a
group we scanned the article together and then I assigned a second cluster diagram as homework,
using this LA Times article as reference. I told the group that this article is about an interesting
topic, but its written for adults--that means there will probably be some challenging vocabulary.
I asked if the students would still be comfortable completing this tonight on their own, and they
said yes. I thanked Evan, Sam, and Molly for working with me and we wrapped up the block.
The following day during first block, I collected these students’ cluster diagrams. I was
curious about how much information they were able to attain, so I gave them a very brief reading
comprehension assessment (Appendix I) . Some of the questions were basic fact recall, while
others required students to make connections from their life to the article’s content. Evan’s
assessment answers can be seen in Appendix J, with analysis and reflection on this assessment
piece is forthcoming.
SQ3R Lesson Description
For this lesson, I started things off with an informal discussion about SQ3R. I know that
the students had been introduced to this by Mrs. Carth towards the start of the year in language
arts, but I wasn’t sure the extent of their familiarity. In order to review this strategy with my
three students, I had already created a visual SQ3R picture (using a snake and 3 mice) with the
titles of Survey, Question, Read, Recite, Review. I showed this to the students and then asked
them to give me as much information about each heading that they could collectively remember.
11
I went around the circle multiple times allowing each student to contribute as much as they were
comfortable with. By the end we had a great looking graphic that I kept out for the rest of the
lesson (Appendix K).
I then facilitated a quick discussion about the reasoning behind using SQ3R—“what is
the purpose of this strategy?” Sam said that it, “gives you more information about whatever
you’re reading”, and Evan said, “I think it will help me understand things that are confusing the
first time I read them.”
I directed students to the informational article used for this lesson, entitled “Mission:
Space Jump” (Appendix L) about the record-breaking 24 mile jump from space completed this
past October by Felix Baumgartner. Since we had just reviewed the SQ3R strategy, and students
had used it before, I asked them to each complete their own SQ3R on the article. It took the
students about 15-20 minutes to complete this, and at the end we came back together to discuss
our notes.
During this discussion Sam noticed that Evan had highlighted a lot of his article, but he
had more annotations than Evan (Evan’s SQ3R article can be seen in Appendix M). We took a
few moments to go through the text, paragraph by paragraph, since the students wanted to share
their comments. I took a few moments to allow each student to verbalize the annotations or
reactions they had written during the SQ3R before we moved forward (Standard IV: Ability to
establish a caring, stimulating, inclusive, democratic, and safe literacy learning community
where students take risks and work independently and cooperatively).
I then asked the students to envision how this strategy could be used specifically in math
class. Evan said that this could be used when we work on word problems, and Molly said the
12
“review” step might be like, “on a test when you tell us to check over our work.” I asked what it
might be like to “survey” a math question, since our problems in class usually don’t have titles or
subheadings like an article might. Sam said, “you could scan the problem for key words that pop
out at you. They’d probably give you a hint on whether to add or subtract.” And Evan added in,
“yeah or multiply and divide.” I asked Molly what she thought, and she responded, “maybe for
the “question” step you could put what the problem is asking into your own words.”
In order to use these suggestions, I asked the group to complete two math problems using
SQ3R while trying to solve the problems. The math problems used can be seen in Appendix N.
Since class was almost over, I asked the students if they felt comfortable using SQ3R in this
method at home, and they said yes. I again thanked these three students for working with me
and we wrapped up the lesson.
Lesson and Data Analysis
In analyzing these two lessons, along with Evan’s work, I see that he made progress
towards the goals I set at the beginning of this project; however, he still has areas of weakness.
In examining Evan’s cluster diagram about the self-driving cars, a few problems become
apparent (Appendix O). If you were to just read Evan’s diagram without referencing the article,
you might not see any problems with it. He has four main ideas, “self-drive, speed control,
automatic steering, and braking,” and he has included three supporting details with each one.
However, a closer examination of these facts reveal that only a few of them specifically come
from the article. For example, under the “speed control” heading, his fact of, “if it is about to hit
a tree it will slow down” is nowhere stated in the article. Also, some of his supporting details are
13
redundant (two facts both discuss the car slowing down if it gets too close to a car or tree, and
two facts both state how the car adapts to roads).
Similarly, some of the main themes in the article (the safety of these cars, testing
procedures) are not included in Evan’s diagram. At first I thought this observation shows that
Evan is still struggling to pull out the main theme(s) in a text. But then I realized he might not
have even used the text to complete this assignment. When I asked Evan if he had referenced the
article at home to help him with the cluster diagram, he said, “Well, sort of, for a few minutes.
But then when I stopped working to eat dinner I couldn’t find the article afterwards.” Had Evan
been able to reference the article through the entirety of the assignment, maybe his product
would look different. Despite Evan not accurately completing this assignment, his responses do
show that he is able to extend his thinking and make connections to things that aren’t specifically
noted in the text. That being said, the data does not show that Evan independently demonstrated
the ability to pick out major themes in a text—one of my goals for this lesson.
For comparison, I have included Sam’s cluster diagram (Appendix P). An analysis of
Sam’s diagram shows that he was able to define the main themes or ideas in this article. He used
the three main headings of “testing, challenges, how it can help” and also included specific
pieces of information from the article in his web (“27% less damage” and “Acura and Benz
equipped with collision avoidance”). I noticed Sam also built-in some extension questions of his
own under the “challenges” heading: “Is it safe enough? What will the model look like? Will it
break down?” In taking a closer look at these two artifacts, it can be noted that Evan’s diagram
lacks the detail, text support, and main themes that I was hoping to see.
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Next, I wanted to analyze Evan’s answers to the reading comprehension questions used
as the assessment piece to this lesson (Appendix I). He remembered that California is the state
where self-driving cars where just made legal and that Google is one company doing much of the
testing. However, supporting details about the types of self-driving cars or locations of testing
sites were not remembered. Evan’s responses to the few questions at the end, where I asked
students to list pros and cons of these cars, show a basic knowledge of the article’s information.
Evan’s answer to the final question, where I asked students their own thoughts about this
technology, states that he thinks, “it’s pretty cool cause the car drives itself.” This response
doesn’t demonstrate a deeper level of thinking or connection-making that I thought the graphic
organizer would help facilitate.
With the SQ3R lesson, Evan engaged with the “Mission: Space Jump” text by
highlighting, turning section headings into questions, and writing investigative questions at the
end of the article (example, “was it cold in space?”) (Appendix M). This shows me that he was
actively engaging with the text and seemingly interested in this topic. Evan also drew a picture
of the snake and mice SQ3R graphic that we used during our lesson, which shows that he
remembered this visual representation.
What Evan did not do was use the questions he created as guiding questions while
reading the article. He should have reviewed and answered these during the three R phases. I do
not see evidence of Evan following through with this important part of the SQ3R process.
In analyzing Evan’s two SQ3R math problems (Appendix Q), I see a few pieces of
evidence of his interaction with the text. First, he has underlined large sections of sentences. He
also re-worded the question in the first problem and used the space provided to draw a picture of
15
the problem. Even though drawing diagrams are not part of the original SQ3R process, this
would certainly be useful in solving this specific pizza problem and I’m glad to see that Evan did
this.
One problem I noticed is that Evan’s answer to the pizza problem is incomplete. The
final part of the question asks for students to “explain your choice.” In this space Evan drew an
arrow to his answer of “1 ½ per person.” It seems as if he is offering this as his explanation, but
then his final answer is not written. In analyzing the drawing that represents the pizza and
people, I can see that Evan was solving the question correctly-- he simply did not complete the
problem. As previously mentioned, Evan has shown that he has great math skills, but misses
points on assessments for not answering questions properly. This error is an example of what I
was hoping my lesson would help Evan avoid, however this shows that my goals were not fully
met.
Lesson and Data Reflection
As mentioned, my goal of supporting Evan with his comprehension by using SQ3R was
not fully met. It is evident that Evan used some parts of the SQ3R process in both the “Mission:
Space Jump” article and his math work. Based on the data, however, the self-monitoring and
questioning referenced in this quote is still something that Evan has not mastered: “…it is not
enough to teach students comprehension strategies; they must also learn to monitor their use of
the strategies learned and to question their understanding of the text as they read.” (Dennis, Dec.,
2009 - Jan., 2010).
One issue I ran into during this process was running out of time during Academic
Enrichment. I did not envision these lessons needing more than 45 minutes, but during both days
16
my lessons were cut short. This negatively affected the outcomes because I could not control the
work environment that Evan experienced while completing his homework. For example, since
Evan did not use the LA Times article when completing his cluster diagram, his results are not
completely valid. I also don’t know if there were outside factors that affected Evan’s
performance on the pizza party math problem since I was not observing him while he was
working. In the future, I would ensure that my assessments are completed at school under my
supervision so as to produce results that can be more accurately analyzed.
I’ve also realized that Evan’s incomplete SQ3R of “Mission: Space Jump” could be the
result of many factors: low motivation, low interest, and/or low ability. Even though we went
over the SQ3R steps together, I did not explicitly instruct students on how to annotate or
summarize. I knew that students had learned this strategy in language arts class, so I assumed
that only a general review would be required as a refresher. Whether or not that was the case,
this is an error on my part and could have been avoided with a pre-test. I should have pre-
determined if those specific skills within the SQ3R process still needed to be mastered.
While the data points to Evan not fully mastering the SQ3R strategy or the cluster
diagram, he did show improvement over the course of the two days. At first, I could tell Evan
was hesitant to work in our group. However, after the first few minutes spent talking about the
overweight humans in WALL-E, he quickly relaxed and seemed to enjoy his time in our group.
During the SQ3R lesson, I saw Evan ease into his own independent work more smoothly than I
normally see him transition in my math class. This could be due to the gradual decline of help
and support I gave during the lesson, which means added responsibility on each student as the
lesson progressed (Duke, Pearson, Strachan, & Billman, 2011). I am also proud of Evan’s work
ethic during those two sessions as well as his excitement about it (Evan approached me during
17
recess after the first lesson to say, “Miss Suckstorff are we going to do our reading group again
today during 6th
block?”) I am glad that I was able to create and foster that type of learning
environment for this small group of students (Standard IV: Ability to establish a caring,
stimulating, inclusive, democratic, and safe literacy learning community where students take
risks and work independently and cooperatively).
My next steps in supporting Evan’s literacy education is to speak with Mrs. Carth about
the results of my lessons and assessments. As a language arts teacher, she will be able to speak
to the quality of work he produced on the cluster diagram lesson and SQ3R. I do not know how
Evan’s SQ3R for this lesson compares to his work on other SQ3R activities since this is the first
one I have done with him. I would like to speak with Mrs. Carth (and his other core teachers) to
share my findings and discuss Evan’s growth since the start of the school year.
Conclusion
My overall goal for this project can be summed up by the following quote: “Effective
teachers of reading comprehension help their students develop into strategic, active readers, in
part, by teaching them why, how, and when to apply certain strategies shown to be used by
effective readers” (Duke, Pearson, Strachan, & Billman, 2011). While I had a few setbacks in
trying to reach that goal, I am happy about the successes during these lessons. The interactions
and conversations surrounding these two lessons were not only focused on literacy and current
events, but they helped to form stronger relationships between the students and myself. Evan
and his peers saw a strategy they thought would only appear in language arts class be applied to
another content area. And the students also learned that I am not just their math teacher, but
18
someone who is going to support their work in all subject areas. In my eyes, that unexpected
discovery is just as powerful as an academic one.
19
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Smith, J., & Read, S. (2009). Early literacy instruction: Teaching reading and writing in today's primary
grades (2nd ed.). Boston: Allyn & Bacon.
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Appendix A
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Appendix B
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Appendix C
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Appendix D
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Appendix E
← Back to Original Article
Self-driving cars are approaching fast — and safely As Google has worked on a fully self-driving car, some automakers have already employed
autonomous safety features that are reducing crashes.
September 30, 2012|By Jerry Hirsch, Los Angeles Times
Having a hard time parallel parking? Press a button on a touch screen and let the car park itself.
Want to stay a safe distance from the car ahead while traveling 65 mph? Switch on adaptive
cruise control and let a radar-linked computer handle the accelerator, slowing and speeding your
vehicle to keep pace.
The assisted-driving technologies that just a few years ago seemed so futuristic are already here,
bringing the auto industry one step closer to a George Jetson-like world where drivers may no
longer have to drive.
"We are looking at science fiction becoming reality in a self-driving car," Gov. Jerry Brown said
Tuesday when he signed a bill that would allow self-driving cars on California's roads.
Although that might be some years off, automakers already are pouring millions of dollars into
systems that hand more control of a vehicle to a complex network of sensors and computers.
Features such as collision avoidance systems that sense a potential crash and trigger the brakes or
an alert that tells drivers they are wandering into adjacent lanes are making their way into more
cars every year.
Industry, traffic and insurance experts believe that the advances are beginning to transform
driving in a way that will reduce accidents and injuries.
"This is the future," said Adrian Lund, president of the Insurance Institute for Highway Safety.
"Vehicles are designed to protect people when crashes happen, but it would be even better to
prevent crashes from happening altogether."
Drivers are just beginning to experience these new features, and it's not always without a hitch.
That's what happened when Los Angeles attorney Randy Garrou test-drove the "intelligent
parking assist" feature in a Toyota Prius v hybrid. The system backed the station wagon into a
lamppost.
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"If that had been a human, the person would have been wiped out," said Garrou, who along with
the salesman escaped injury. The experience left him thinking that such autonomous driving
features "aren't ready for prime time."
An occasional glitch isn't stopping the auto industry and technology companies from speeding
into the self-driving car segment.
Google co-founder Sergey Brin said autonomous cars could be functional and safe for operation
on public streets within a few years. Think autopilot.
But the concept of handing over the steering wheel to a computer is making some people ill at
ease.
"It freaks me out," said Michael Sigman, a writer and music publisher who lives in the Laurel
Canyon section of Los Angeles. "It is totally fascinating, and I would like to see how they work,
but the idea of thousands and millions of people 'not' driving around in these things is very
scary."
Despite the uneasiness, there is some evidence that the early autonomous driving functions are
already improving safety.
Volvo's City Safety, a low-speed forward collision avoidance system, is one feature that has been
shown to be effective. The system is designed to help a driver avoid rear-ending another vehicle
in slow-moving traffic.
The Highway Loss Data Institute compared insurance claims for the 2010 Volvo XC60 SUVs
equipped with a forward collision avoidance system with claims for other 2009-10 mid-size
luxury SUVs that don't have the technology. The Volvos had 27% fewer property damage
liability claims. They also had fewer claims for bodily injury.
Acura and Mercedes-Benz vehicles equipped with other types of collision avoidance systems
that work at higher speeds had 14% fewer damage claims than those that didn't have the
technology, according to an institute study.
The auto insurance industry estimates that if all passenger vehicles were equipped with just four
sensor-based alert systems — forward collision warning, lane departure warning, blind spot
detection and adaptive headlights that pivot in the direction of travel based on steering wheel
movement — about 1 in 3 fatal crashes and 1 out of 5 injury crashes could be prevented or have
their severity lessened.
Transportation officials and safety regulators are pushing the technology even further, looking to
a day when computers in a car communicate with other vehicles, traffic lights, toll roads and
other traffic infrastructure.
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Last month, about 3,000 vehicles equipped to share information about their speed and location
hit the streets in Ann Arbor, Mich., as part of the largest road test to date of so-called connected
vehicles.
The U.S. Department of Transportation, which is running the test in conjunction with the
University of Michigan Transportation Research Institute, says the test is an early step in
developing a system that will enable cars to work with one another to figure out routes and
traffic space to save time and fuel and increase safety.
Google believes that despite any mishaps with autonomous features working their way into
vehicles now, completely self-driving vehicles will be safer and more convenient than cars
driven by humans.
"Look at all the people who don't have access to transportation today but still need to live their
lives," said Anthony Levandowski, head of Google's Self-Driving Car Project.
"There are a lot of opportunities for making cars safer, more convenient and more accessible,"
Levandowski said. "The fact that you have to drive your car all the time is kind of a bug in the
car itself."
Texting, for example, becomes safe when the car drives itself.
Google ran a trial with a blind person who usually spends two hours on public transit to go to
work. Google's experimental self-driving Prius — with a licensed driver at the controls for
backup — was able to drive the person to work in just 30 minutes.
Brin believes such cars could provide transport to blind people who can't drive or other
individuals who shouldn't drive.
"Some people have other disabilities, some people are too young, some people are too old,
sometimes we're too intoxicated," Brin said.
Businesses could find commercial applications for self-driving vehicles such as taxi services or
the delivery of pizza and other goods.
The Google team has about a dozen self-driving cars in operation — all with a human behind the
wheel ready to take over at any time. The cars have driven a combined 300,000 miles in varied
traffic conditions without any accidents while under computer control.
"It is very much like cruise control," Levandowski said. "When you want the machine to drive, it
will drive, but when you want you can grab the steering wheel or press the brake and the
command is directly back in your hands."
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The cars operate by using cameras, radars and lasers to digitize the world and create a three-
dimensional model inside the vehicle's computer memory to tell it what is going on around the
car.
"You then can create algorithms that dictate how the computer drives the vehicle," Levandowski
said.
Google has been funding the project on its own, thinking that it will eventually be able to license
or sell the technology.
"The business model that emerges out of this is yet to be figured out," Levandowski said.
The approach is not unlike what it did to create its core search engine. Google figured out later it
could be a powerful, revenue-generating advertising format, he said.
There are still many kinks to be worked out. The suite of sensors feeding data to the computer is
way too bulky and expensive to fit in a mass-produced car. The vehicles still have trouble
mastering snow-covered roads, spotting and understanding temporary construction signals and
handling other tricky situations.
The challenge is to make sure the sensors figuring out what the world looks like outside the car
don't get confused.
That's why General Motors chose New York's Brooklyn Bridge to test the autonomous functions
it is building into its new Cadillac XTS and ATS sedans.
GM engineer Jim Nickolaou said the bridge's "intricate metal design and traffic volume" helped
his team tune radar sensors to separate permanent objects such as cables and guardrails from
vehicle traffic.
"Metal structures can confuse some types of radar into sensing a vehicle or obstacle is
approaching, causing an unnecessary warning or action from the safety systems," he said.
GM and other automakers are taking incremental steps toward autonomous vehicles instead of
attempting Google's approach of building a vehicle that can operate entirely on autopilot.
"We can add more functions over time," said Paul Mascarenas, chief technical officer of research
and innovation at Ford. "We need to keep the driver in control and bring those technologies to
the market in a way that is affordable."
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Appendix F
Gain for Gorillas
The total world population of mountain gorillas is rising
November 14, 2012
By Cameron Keady
CYRIL RUOSO—MINDEN PICTURES
The critically endangered species lives only in two regions of Central Africa.
Endangered mountain gorillas are close biological cousins to humans. Over the
past decade, people have made an extra effort to help their fellow primates. And
now, the results are proving to be positive. According to new information released
by the Uganda Wildlife Authority and World Wildlife Fund (WWF), the total
world population of mountain gorillas has risen in the last two years from 786 to
880. While mountain gorillas still remain an endangered species, this increase is
largely thanks to the actions of conservationists. “Mountain gorillas are the only
great ape experiencing a population increase,” said David Greer, WWF’s African
Great Ape Program Manager. “This is largely due to intensive conservation efforts
and successful community engagement.”
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GETTY IMAGES Mountain gorillas live in communities of up to 30 individuals.
Strength in Numbers
In 2000, the total population of mountain gorillas was only 320 individuals. The
low number was a result of illegal hunting, habitat loss, and disease. Since then,
the number has risen, but slowly.
Mountain gorillas live in Rwanda, Uganda, and Democratic Republic of Congo—
all countries in central Africa. To ensure more protection and care, nearly half of
the existing population lives in a national park. Bwindi Impenetrable National
Park, located in the northern part of Rwanda, is home to 400 mountain
gorillas. They have formed 36 social groups and are led by 16 male gorillas. Ten
of these groups have become used to human presence from research and tourism.
Family Ties
Mountain gorillas are highly social creatures that live in a community
environment. Typically, mountain gorillas live in a group of about 30 individuals.
The leader is a dominant older male who organizes the group for hunting and
nesting. This male can weigh up to 500 pounds and stand nearly 6 feet tall. Often
he will have silver hair on his back, marking his senior age and dominance within
the group. Like any community, gorillas depend on one another. Now, they are
depending on humans to help keep them alive.
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Appendix G
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Appendix H
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Appendix I
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Appendix J
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Appendix K
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Appendix L
Mission: Space Jump
Austrian skydiver Felix Baumgartner makes a record-breaking 24-mile jump from space
October 15, 2012
By Kelli Plasket with additional AP reporting
JAY NEMETH—RED BULL STRATOS/GETTY
IMAGES
Pilot and skydiver Felix Baumgartner jumps out of a
space capsule from an altitude of 128,100 feet during a
manned flight for Red Bull Stratos, on October 14.
Austrian Felix Baumgartner—a pilot, skydiver and high-altitude jumper with the nickname
“Fearless Felix”—has jumped from some of the world’s tallest bridges and buildings. But on
October 14, he made the jump of his lifetime from a space capsule 128,100 feet (about 24 miles)
above ground, a world record-breaking height. That distance put him on the edge of space in the
stratosphere, the second layer of Earth’s atmosphere.
PREDRAG VUCKOVIC—RED BULL STRATOS/GETTY IMAGES
A helium balloon launches from Roswell, New Mexico, to carry Baumgartner and the
Red Bull Stratos capsule up to space. It is the largest balloon ever used for a manned
flight.
Baumgartner, 42, also broke the record for fastest jump by reaching speeds up to 833.9 miles per
hour during his free fall back down to Earth. For comparison, an average Boeing 737 airliner
flies at 40,000 feet at 600 miles per hour. At a press conference following the event,
Baumgartner said the experience was humbling and harder than he expected. “Sometimes you
have to go up really high to understand how small you are,” Baumgartner said.
A Long Way Down
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Baumgartner and a team of scientists, engineers and doctors spent five years preparing and
training for the project, called Red Bull Stratos after the project’s sponsor. For the space jump,
Baumgartner wore a specially designed space suit and was carried up to his jump point by a large
helium balloon from inside the Red Bull Stratos space capsule.
Even with careful planning, the mission had some obstacles. The jump was first scheduled for
October 8, but it was postponed several times over the week because of weather conditions.
Baumgartner finally began the ascent from Roswell, New Mexico, on Sunday, October 14. But
on the way up, Baumgartner’s faceplate began to fog up, making it hard for him to see. The team
considered aborting the mission, but Baumgartner was able to fix the problem
BALAZS GARDI—RED BULL STRATOS/GETTY IMAGES
Baumgartner celebrates after successfully touching ground in New
Mexico following his 24-mile jump from space.
After a smooth initial jump, Baumgartner began to spin out of control while still in the
stratosphere, but he eventually steadied himself. After four minutes and 20 seconds of free fall—
with about a mile left to go in the jump—Baumgartner released his parachute and landed safely
in the desert of New Mexico. From Earth, eight million people watched the space jump event
live over a YouTube stream.
Breaking New Barriers
Baumgartner’s space jump made headlines for breaking two world records and for making him
the first human to break the sound barrier. That’s the speed at which sound waves are produced
in the air. But world records weren’t the projects’ only goals. Baumgartner wore a monitoring
system to help the crew gather scientific data from the jump. They hope the data will benefit
future private space programs and high-altitude pilots. “We’re going to spend a lot of time going
through that data. It’s going to break incredible new grounds,” Dr. Jonathan Clark, the project’s
medical director, said.
Joe Kittinger, a pilot who set the previous world records for highest and fastest fall over 50 years
ago, mentored Baumgartner for the jump. Kittinger still holds the record for longest free fall at
four minutes, 35 seconds. “Records are meant to be broken. And better champions cannot be
found than Felix Baumgartner,” Kittinger said.
With his own goals completed, Baumgartner hopes to mentor someone else to break the records.
“I want to inspire the next generation,” Baumgartner said.
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Appendix M
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Appendix N
Math Problems:
1. You are invited to go out for pizza with several friends. When you get there, your
friends are sitting in two separate groups. You can join either group. If you join the first
group, there will be a total of 4 people in the group and you will be sharing 6 small
pizzas.
If you join the second group, there will be a total of 6 people in the group and you will
be sharing 8 small pizzas.
If pizza will be shared equally in each group, and you are very hungry, which group
would you rather join?
Explain your choice.
2. Vincent made three dozen cookies for the student council bake sale. He wants to
package them in small bags with the same number of cookies in each bag.
a. List all the ways Vincent can package the cookies
b. If you were Vincent, how many cookies would you put in each bag? Why?
c. Vincent spent $5.40 on ingredients for the cookies. The student council will pay
him back for the money he spent. For each of the answers in part (a), determine
how much the student council should charge for each bag of cookies so they make
a profit, yet still get students to buy the cookies.
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Appendix O
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Appendix P
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Appendix Q