Unit 1 Review

Comparing Integers

100

-18 __ -20

>

200

|17| __ -20

>

300

|15| __ |-19|

<

400

|-25 __ 30

<

500

Order from least to greatest: 

|-5|, 6, -4, 4.5, -1

-4, -1, 4.5 |-5|, 6

Subtracting Integers

100

18 - 20

-2

200

-15 - 8

-23

300

-5 - -15

10

400

-24 - 38

-62

500

34 - -45

79

Adding Integers

100

-5 + 9

4

200

8 + (-14)

-6

300

-12 + (-11)

-23

400

-35 + 43

8

500

68 + (-29)

39

Decimals

100

-4.5 + (-3.4) 

-7.9

200

5.6 - 8.4

-2.8

300

3.5 - (-4.8)

8.3

400

-23.4 - (-15.8)

-7.6

500

-43.65 - (-34.77)

-8.88

Fractions

100

3/5 + 6/5=

9/5 or 1 1/4

200

4/6 + (-8/6)

-4/6

300

3/4 + 5/6

19/12 or 38/24

400

3/5 + (-7/8)

-11/40

500

-5/6 - (- 4/8)

-16/48 or -1/3