Adding & Subtracting Rational Numbers

Adding Decimals

100

1.2+3.6

4.8

200

3.26+4.31

7.57

300

-1.325 + (-0.081)

What is -1.406

400

148.93 + (-121.36)

What is 27.57

500

248 + (-131.48) + 56.16

What is 172.68

SubtractingDecimals

100

4.8-2.4

2.4

200

48.98-32.36

16.62

300

100.6 - (-135.76)

What is 236.36

400

-0.0067 - 13.925

What is -13.9317

500

67.3 - 102

What is -34.7

Integers

100

40+(-2)

38

200

-30-(-4)

-26

300

2+(-6)-3

-7

400

-38-(-50)+(-12)

0

500

-3-(-4)-(-6)-(-2)

9

Fractions

100

3/4-1/2

1/4

200

1/2-3/4

-1/4

300

Subtract -152 7/10 - 58 3/5

-4/5-(-3/10)

-1/2

400

Subtract -12.045 - (-11 8/10) 

What is -0.245

500

Subtract -6 4/5 - 7 2/5 - (-5 3/10)

What is 19 1/2

Adding and Subtracting Fractions and Decimals

100

Add 38 1/2 + (-31.45)

What is 7.05

200

Add -6.88 + (5 6/10)

What is -1.28

300

Add 12 8/10 + (-15.56)

What is -2.76

400

Subtract 148.56 - (-121 3/5)

What is 270.16

500

Subtract -1 3/8 - 0.081

What is -1.456