Unit 2 Review

Vocabulary

100

What is absolute value?

The distance a number is away from zero. 

Bonus 10 pts: It is ALWAYS POSITIVE

200

What is an integer?

Positive and negative whole numbers.

OR

Numbers and thier opposites.

300

   What is a whole number?

All counting numbers including zero.

Ex. 0,1,2,3,...

400

What is a point/coordinate? 

An ordered pair that marks a cross of the x-axis and y-axis. It looks like (x,y).

500

If I am taking a part (fraction) OF something, what operation should I be doing?

Multiplicaiton 

Integer Basics

100

What is the  |–6| 

6

200

Write the correct inequality (<,>,=) for this statement:

-35     -27

-35  <  -27

300

Write the correct integer for these statements:

• Fined 15 dollars

• Paid 40 dollars

• Late fee of 6 dollars

• -15

• 40

• -6

400

What strategy would you use to multiply and divide integers?

Tic- Tac- Toe 

OR

Same Sign = Positive

Different Sign = Negative

500

What strategy do you use to subtract integers?

KCI

BONUS 25 pts: Keep the 1st Number, Change - to +, Inverse (Opposite of 2nd Number)

Integer Operations

100

Multiply the integers

(-3)·(2)

-6

200

Divide the integers

-28 ÷ -7?

4

300

Subtract the integers

86-(-4)

90

400

Add the integers

-12 + 3

-9

500

Subtract the integers

6 - 9 

-3

Order of Operations

100

Solve

(-3)·(2) + 7

1

200

Solve

-48 ÷ 6 + (-32)

-40

300

Solve

-12 - (-5) + 4 + (-18)

-21

400

Solve

-8 · 4 + (-45) ÷ (-5)

-23

500

Solve 

14 + (-7) - 12 + (-2)

-7

Word Problems

100

When I woke up this morning the temperature was 2 degrees below zero. The temperature rose 18 degrees. Then it dropped 7. What temperature is it now?

9 degrees

200

Douglas the boxer went to Doggy Daycare 4 times this week. I spent $21 each time. Represent how much I spent each day with an integer.

-84 dollars

300

Antonio went to the mall to go holiday shopping. His grandma gave him $40 to spend. He spent 11 dollars on an action figure for his sister and another 7 on a necklace for his mom. He then found 15 dollars in his jeans. Excited, he bought a pretzel for himself and his brother that cost him 13 dollars. How much did Antonio have at the end of the day?  

$24

400

Coach Miller played frisbee golf. He kept track of his score per round. What was his total score after 5 rounds?

• First Round: 7

• Second Round: -9

• Third Round: -3

• Fourth Round: 14

• Fifth Round: -8

1

500

Harrison Intermediate's goal for the school dance is to sell 200 tickets. They have sold 3/4 of their ticket goal. How many tickets have they sold? 

150 tickets