Welcome to Algebra I

Welcome to Algebra I

Mrs. McKinnonRoom 231

Today’s Agenda

Warm-up Classroom Expectations Getting familiar with the calculator lesson Bingo (if time permits) Exit Ticket

Algebra I: Information

State Test called EOC Must pass EOC to pass Algebra I Must pass EOC to graduate Graphing Calculators are required for EOC We WILL prepare you for the EOC You will learn how to use the TI-84 graphing

Calculator

About Me… Mrs. McKinnon is from Jacksonville, North Carolina

and graduated from Elon University in 2006. Mrs. McKinnon is half Japanese. Her mother is from

Japan and her father is from Illinois (he’s white). Mrs. McKinnon enjoys reading books and loves her

Kindle! After schools she goes home and reads or plays games where she kills things.

Mrs. McKinnon enjoys watching Grey’s Anatomy, Lie to Me*, House, Fringe, and Glee. Her favorite invention is the DVR.

Mrs. McKinnon also enjoys swimming, video games, and colorful decorations.

Mrs. McKinnon’s Favorite color is purple!

Classroom Expectations

Be Respectful! Be ON TIME Come to Class Prepared Participate Be Civil Leave ALL electronics OFF and out of sight.

Consequences

Warning Seat Change Parent Contact After-School Detention Administrative Referral

Grading

Mastery Quizzes – 50% Practice Work – 50% EOC- 25% of final grade

Bathroom Passes

Use the bathroom before class.

Absolutely no passes the 1st 20 minutes after class begins, and the 20 minutes before class ends. NO EXCEPTIONS- DON’T ASK.

Bring Every Day…

3-Ring Binder. Required by Friday, Sept 2nd. Pencils Paper Electronics PUT AWAY and OFF. If you forget something, here’s what to do…

Pencils – There are pencils in the back of the room. Paper – ASK! Handouts – follow along the best you can if there are no

additional copies to be provided.

Make Up Work

When you are absent: On the following day check your folders for any handouts. Ask Mrs. McKinnon when you can stay after if you need to

make up a mastery quiz. If the materials are not in your folder, ask Mrs. McKinnon

for them at an appropriate time.

If you have a zero and would like to make it up: You must stay after school with Mrs. McKinnon and

complete the assignment with her. Tutoring days are listed on the board at the side of the

classroom.

If you are tardy….

Please come into class quietly. Leave your pass on table in the back of the room, get your calculator, and start on the activity we are doing in class. Before you leave make sure that you turn in your homework.

We begin class everyday with…

Warm-ups. Your warm-up will we located on the front

board. Come in, sit down, get started.

Do not wait for the bell to begin working!

We will end class with…

Exit Tickets or a Mastery Quiz Purpose is to assess what you learned in

class They will be graded! Mastery Quizzes can be taken as many times

as needed (after tutoring) until you score 85% on each MQ.

Calculators

We have a procedure for calculators that must be followed, NO EXCEPTIONS!

You are responsible for the calculator labeled with the number that matches your desk number.

Calculators and batteries will be checked before anyone leaves class for the day.

Using the calculator

Turn calculator on and Clear Memory

Turn off your calculator [2nd] [ON]

At the same time press [ON] [<] [>]

Raising a number to a power

To raise a number to the 2nd power….. X2 key OR ∧ key

Find 62 (try it both ways)

To Find 63, use the ^ key

You Try it…

1. 122

2. 73

3. 84

4. 37

5. 1440.5

Finding the Square Root

The opposite of raising a number to the 2nd power is finding the square root of a number

Use the √ key by hitting the 2nd and x2 keys.

√36 = 6

You Try it…

1. √144

2. √125

3. √81

4. √42

5. √5

Changing a % to a decimal

Often, you will be asked to find the % of a number. You cannot plug a percent into a calculator. To do this, change the percent to a decimal.

Percent literally means out of 100 (or divided by 100).

25% = 25/100 = 0.25

You Try it…

Change the following percents to decimals

1. 12%2. 50%3. 30.5%4. 76%5. 500%

Convert a fraction to a decimal

Use the ÷ key

½ = 1 ÷ 2 = .5

You try it…

Convert the following fractions to decimals

1. ⅔2. ⅚3. ¼4. ⅜5. ⅘

Convert a decimal to a fraction

Use the following sequence of keys to change a decimal to a fraction

Math Enter Enter

0.5 Math Enter Enter = ½

You try it…

Convert the following decimals to fractions:

1. .752. .903. 1.254. .335. 2.25

Operations with Integers

USE THE (-) KEY NOT THE – KEY TO MAKE A NUMBER NEGATIVE!

1 + -2 = -1 -3 * -3 = 9 -8 / 4 = -2 5 - - 3 = 8 Always type exactly what you see into the

calculator!!

You try it…

Convert the following decimals to fractions:

1. 22*-6= 2. -99/-11= 3. 121 + -191= 4. -501- - 501=5. -17- -25=

Matho!