M7 Q1 Review

Adding and Subtracting Rationals

100

4/5 - 1/2

3/10

200

(0.56) + (-0.015)

-0.575

300

4 1/5    -     8 2/3

- 4 7/15

400

-2 5/6 - (-1 5/12)

-1 5/12

500

Order from least to greatest - 0.65 , 0.45, -3/5

- 0.65, -3/5 (or -0.6), 0.45

Multiplying and Dividing Rationals

100

Convert 0.45 to a SIMPLIFIED fraction. 

9/20

200

Convert to a decimal: 5/8

0.625

300

1/3 ÷ -4/9

-3/4

400

-5 1/3 x 1 3/7 (Write your answer as a mixed number)

-7 1/3

500

10 1/4  ÷ 4

2 9/16

Integer Operations

100

123 - 245

-122

200

-81 / -9 

9

300

(12)(-2)(-3)

72

400

The temperature in Antarctica was -15 degrees yesterday. Today it was 9 degrees higher. What is the temperature today?

-15 + 9

-6 degrees

500

A dolphin dove to -12 feet below the water. It then jumps from that depth up 20 feet. What integer represents the dolphins current height from the water level? (maybe draw a picture to help you)

-12 + 20

8 feet

Expressions

100

Simplify: -5b - 6b

-11b

200

Combine like terms: -5x + 4 - 8x + 10

-14x + 14

300

Simplify 4a + 10 - 2a

2a + 10

400

Combine like terms: m + 3 - 2m - 1

-m + 2

500

Combine x - 10 + 4x - 2

5x + -12 or 5x - 12

Order of Operations

100

-2 + 3 x 4

10

200

-12 + -4 ÷ -2 + 2 x -1

-12

300

 6 + (10 − 6) ÷ 4 × 3 

COPY DOWN FIRST

9

400

5 - 5 x 7 + 10

-20

500

(-2 + 4 x 7 ÷ 2 + -4) ÷ 2      COPY FIRST

-4