7th Grade Topic 1 Review

Adding Integers & Rational Numbers

100

109 + -162

-53

200

-121 + -34

-155

300

-86 + 92

6

400

0.74 + (-3/5)

0.14

500

- 2.63 + 3  1/4

0.62

Subtracting Integers & Rational Numbers

100

The temperature is 1 degree at dusk. It is 8 degrees colder at dawn. What is the temperature at dawn?

-7 degrees

200

70 - (-101)

171

300

-17 - 44

-61

400

-4  1/2  - (-1.07)

-3.43

500

-5  1/2 - 1.75

-7  1/4

Multiplying Integers & Rational Numbers

100

-2 x -9

18

200

-15 x 12

-180

300

-2.35 x 9

-21.15

400

6  2/3 x -4  1/5

-28

500

-3  4/9 x 5  2/5

-18  3/5

Dividing Integers & Rational Numbers

100

-24/6

-4

200

84/-21

-4

300

-123 divided by -4

30  3/4 or 30.75

400

-3/4  divided  15/24 (SIMPLIFY!)

- 1  1/5

500

-3.6 divided by 2  1/7

-1  17/25 

Rational Numbers

100

Give an example of a terminating and repeating decimal

Varies 

200

5/9

0.5 repeating 

300

-(-1/-5)

-0.2

400

9/11

0.81 repeating 

500

Find the decimal equivalent to 12  11/16

12.6875