Adding & Subtracting Rational Numbers

Absolute Value

100

|-14|

14

200

|-27.4|

27.4

300

2 ________  |-7|   (<, >, or =)

<

400

|-19| ___________|19|

=

500

Least to greatest: |-8|, - 3, |7|, -9, 12

-9, -3, |7|, |-8|, 12

Integers

100

19 + (-14)

5

200

-42 + (-35)

-77

300

-8 - (-4)

-4

400

17- (-12)

29

500

-26- 14

-40

Fractions

100

-1/3 + 3/4

5/12

200

-1/2 + (-9/10)

-7/5 or - 1  2/5

300

- 3 1/3  + (- 1  1/2 )

-29/6 or  - 4  5/6

400

- 4 4/5 - (-  6 2/5 )

8/5 or 1  3/5

500

- 7/4 + 1/2 + (-2/5)

-   33/20   or   - 1   13/20

Decimals

100

-3.7 +  (- 14.9 )

- 18.6

200

12.78 + (- 14.92)

-2.14

300

-81.36 - 41.93

-123.29

400

 7.85 - ( -31.03)

38.88

500

-12.3 - (-4.56)

-7.74

Multi-Step Problems

100

-4 + (-5) + 6

-3

200

-10 + (-15) + (-25)

-50

300

-9 - 15 - (- 11)

-13

400

12.3 + (-45.6) + 7.89

-25.41

500

-92.8 + 41.5 - 8.3

-59.6