Tuesday, Oct 30
5 Minute CheckFind the following. Complete in your notes.GCF1.
45, 752. 12, 30LCM3. 8, 94. 12, 155 Minute CheckFind the following.
Complete in your notes.GCF1. 45, 75
5 Minute CheckFind the following. Complete in your notes.GCF1.
45, 75
45: 1, 3, 5, 9, 15, 4575: 1, 3, 5, 15, 25, 75GCF = 3 x 5 = 15 45
75 / \ / \15 3 25 / \ / \ 3 5 5 55 Minute CheckFind the following.
Complete in your notes.GCF2. 12, 305 Minute CheckFind the
following. Complete in your notes.GCF2. 12, 30
12: 1, 2,3, 4,6,1230, 1, 2, 3, 5, 6, 10, 15, 30GCF = 6
12 30 / \ / \ 2 6 2 15 l / \ l / \2 2 3 2 3 5 5 Minute CheckFind
the following. Complete in your notes.LCM3. 8, 95 Minute CheckFind
the following. Complete in your notes.LCM3. 8, 9
Mr. Averys rule if the numbers are next to each other, the LCM
is the product of those numbers. LCM = 8 x 9 = 72
5 Minute CheckFind the following. Complete in your notes.LCM4.
12, 155 Minute CheckFind the following. Complete in your
notes.LCM4. 12, 15
12: 12, 24, 36, 48, 60, 72, 84..15: 15, 30, 45, 60, 75.
RatioThursday, Dec 10Chapter 1
ReviewChapter 1 ReviewObjective: To understand ratios, ratio
tables and unit rates.
Chapter 1 Review1. The ratio of cats to dogs seen by a
veterinarian in one day is 2 to 5. If a vet saw 40 dogs in one day,
how many cats did he see?
Chapter 1 Review1. The ratio of cats to dogs seen by a
veterinarian in one day is 2 to 5. If a vet saw 40 dogs in one day,
how many cats did he see?
Method 1
5 dogs 40 dogs2 cats = ? cat
Chapter 1 Review1. The ratio of cats to dogs seen by a
veterinarian in one day is 2 to 5. If a vet saw 40 dogs in one day,
how many cats did he see?
Method 22 cats x cats5 dogs = 40 dogs
2 x 40 5 = 16 cats
Chapter 1 Review2. A car jack requires a force of 110 pounds to
lift a 2,500-pound car. In simplest form, what is the ratio of the
cars weight to the force required to lift the car?
Chapter 1 ReviewChapter 1 Review3. A baker is making an
oversized sheet cake for a school dance. The recipe calls for 2
cups of sugar for every 3 cups of flour. How many cups of flour are
needed, if she is using 18 cups of sugar.
Chapter 1 Review3. A baker is making an oversized sheet cake for
a school dance. The recipe calls for 2 cups of sugar for every 3
cups of flour. How many cups of flour are needed, if she is using
18 cups of sugar.
OR
sugar24681012141618flour369121518212427Chapter 1 Review3. A
baker is making an oversized sheet cake for a school dance. The
recipe calls for 2 cups of sugar for every 3 cups of flour. How
many cups of flour are needed, if she is using 18 cups of
sugar.
2 cups sugar 18 cups sugar 3 cups flour = x cups flour 3 x 18 2
= 27 cups flour
Chapter 1 Review4. Which rate gives the best price for scrapbook
paper?
Chapter 1 Review4. Which rate gives the best price for scrapbook
paper?10 sheets 5 sheets $2 = $1
6 sheets 10 sheets $.60 = $1
5 sheets $1
3 sheets 5 sheets $.60 = $1
Chapter 1 ReviewChapter 1 ReviewFractions are equivalent if they
simplify to the same fraction. Chapter 1 Review6. The table shows
the cups of whole wheat flour required to make dog biscuits.
How many cups of whole wheat flour are required to make 35
biscuits?
Chapter 1 Review6. The table shows the cups of whole wheat flour
required to make dog biscuits.
How many cups of whole wheat flour are required to make 35
biscuits?
OR
517 2X 7Chapter 1 Review6. The table shows the cups of whole
wheat flour required to make dog biscuits.
How many cups of whole wheat flour are required to make 35
biscuits?
10 biscuits 35 biscuits2 cups flour = x cups flour 2 x 35 10 = 7
cups
Chapter 1 Review7. There are 12 boys and 15 girls in your class.
Four new students, 3 boys and 1 girl, join your class. Compare the
ratio of boys to girls before and after the new students enrolled.
Chapter 1 Review7. There are 12 boys and 15 girls in your class.
Four new students, 3 boys and 1 girl, join your class. Compare the
ratio of boys to girls before and after the new students enrolled.
before Boys12 4Girls15 = 5
afterBoys15Girls16
The ratio did not stay the same because they cannot be
simplified to the same ratio.Chapter 1 Review8. You finished 24
homework problems in class. If the ratio of finished to unfinished
problems is 3:1, how many homework problems are there?
Chapter 1 ReviewX 8X 8Chapter 1 Review9.Mr. Reinard bought 5
pounds of feed for his chickens for $10. How much did the feed cost
per pound in dollars?Chapter 1 Review9.Mr. Reinard bought 5 pounds
of feed for his chickens for $10. How much did the feed cost per
pound in dollars?
$10 $ x 5 lbs feed = 1 lb feed
10 x 1 5 = $2 per lb feedChapter 1 ReviewChapter 1 ReviewChapter
1 Review11. The bar graph below shows the average number of
visitors to different websites during one month. How many visitors
can website B expect to have in one year?
Chapter 1 Review11. The bar graph below shows the average number
of visitors to different websites during one month. How many
visitors can website B expect to have in one year?
2 million visitors x million visitors 1 month = 12 months
2 x 12 1 = 24 million visitors
Chapter 1 Review12. Mike has 40 video games and wants to divide
them in two groups with the ratio of 3:1. Determine the number of
video games in each group.
Chapter 1 Review12. Mike has 40 video games and wants to divide
them in two groups with the ratio of 3:1. Determine the number of
video games in each group.
One group is going to be 3 times the other and they both add to
40.
3 x some number + some number = 40 Chapter 1 Review12. Mike has
40 video games and wants to divide them in two groups with the
ratio of 3:1. Determine the number of video games in each
group.
30:10OR40 games10 games10 games10 games10 gamesChapter 1
Review12. Mike has 40 video games and wants to divide them in two
groups with the ratio of 3:1. Determine the number of video games
in each group.
30:103691215182124273012345678910481216202428323640Chapter 1
Review13. You survey your first period class and out of 25
students, 10 prefer bagels for breakfast. If there are 300 students
in the 6th grade, how many students can be expected to prefer
bagels for breakfast?
Chapter 1 Review13. You survey your first period class and out
of 25 students, 10 prefer bagels for breakfast. If there are 300
students in the 6th grade, how many students can be expected to
prefer bagels for breakfast?
10 bagels ? bagels 25 total = 300 total
2 x 300 5 = 120 students
2 x 55 x 5Chapter 1 Review14. Cesars sixth-grade class sorted
books in the library. The class sorted 45 books in 90 minutes.
Part A Write an equivalent ratio to find how long it would take
to sort 120 books.
Part B How many hours will it take the class to sort 120
books?
Part C Suppose their rate slowed to 30 books in 90 minutes. How
long would it take the class to sort the 120 books? Chapter 1
Review14. Cesars sixth-grade class sorted books in the library. The
class sorted 45 books in 90 minutes.
Part A Write an equivalent ratio to find how long it would take
to sort 120 books.
45 books 120 books90 minutes = x minutes
2 x 120 1 = 240 minutes12Chapter 1 Review14. Cesars sixth-grade
class sorted books in the library. The class sorted 45 books in 90
minutes.
Part B How many hours will it take the class to sort 120
books?
Chapter 1 Review14. Cesars sixth-grade class sorted books in the
library. The class sorted 45 books in 90 minutes.
Part B How many hours will it take the class to sort 120
books?
1 hour x hours60 minutes = 240 minutes
1 x 240 60 = 4 hours
Chapter 1 Review14. Cesars sixth-grade class sorted books in the
library. The class sorted 45 books in 90 minutes.Part C Suppose
their rate slowed to 30 books in 90 minutes. How long would it take
the class to sort the 120 books? Chapter 1 Review14. Cesars
sixth-grade class sorted books in the library. The class sorted 45
books in 90 minutes.Part C Suppose their rate slowed to 30 books in
90 minutes. How long would it take the class to sort the 120
books?
30 books 120 books90 minutes = x minutes
3 x 120 1 = 360 minutes13Chapter 1 ReviewAgenda NotesCH 1
In-Class assignmentBring to desk when complete
Homework Practice CH 1 ReviewDue Friday, December 11Semester
ExamThursday, Dec 17
