Grade 7, Review of Chapter 1

Adding Integers

100

9 + 7

16

200

(-4) + (-7)

-11

300

25 + (-32)

-7

400

83 + (-90) + 22

15

500

(-37) + (-22) + 76 + (-19)

-2

Subtracting Integers

100

7 - 5

2

200

-9 - 17

-26

300

19 - (-34)

53

400

-98 - (-47) - 5

-56

500

89 - (-57) - 87 - (-12)

71

Adding Rational Numbers

100

1/3+1/3

2/3

200

-2/5+(-2/5)

-4/5

300

-4/7+(-1/2)

-1 1/14

400

-4/9+2/3

-2/9

500

1 1/3+(-4/5)

8/15

Subtracting Rational Numbers

100

5/9-(-2/9)

7/9

200

-3.4-4.5

-7.9

300

3/4-1/2

1/4

400

-1 1/5-2/5

-1 3/5

500

-2 1/3-(-2 2/5)

1/15

Absolute Value

100

|-3|

3

200

|4|

4

300

-|-8|

-8

400

What is the definition of absolute value?

The absolute value of a number is how far a number is from 0 on the number line.

500

Evaluate the expression below when

a=-4, b=7, c=-1

|a+b+c|

2