Reviewing Adding/Subtracting Decimals & Fractions

Adding fractions

100

5/7 + 6/7 

What is 11/7 or 1 4/7?

200

7/10 + 2/5

What is 11/10 or 1 1/10?

300

-18/50 + 42/50

What is 24/50 or 12/25?

400

20 7/8 + (-4 3/8)

What is 16 1/2?

500

(-5 3/4) + (-10 2/5)

What is -16 3/20?

Subtracting fractions

100

10/11 - 7/11

What is 3/11?

200

3/2 - 9/7

What is 3/14?

300

-32/40 - 35/40

What is -1 27/40?

400

-19 5/6 - (-4 1/6)

What is -15 2/3?

500

-7 5/8 - 2 3/5

What is -10 9/40?

Adding Decimals

100

13.7 + 20.8

What is 34.5?

200

9.55 + 50.88

What is 60.43?

300

-48.7 + (-21.9)

What is -70.6?

400

-7.24 + 25.06

What is 17.82?

500

-27.382 + 4.096

What is -23.286?

Subtracting Decimals

100

13.7 - 5.1

What is 8.6?

200

26.47 - 12.99

What is 13.48?

300

9.5 - (-3.3)

What is 12.8?

400

-68.19 - 10.45

What is -78.64?

500

-65.395 - (-10.899)

What is -54.496?

Adding & subtracting more than two decimals and fractions

100

6.8 + 2.4 + 5.7

What is 14.9?

200

7/8 + 2 1/4 - 3/8

What is 2 3/4?

300

-20.51 + 9.7 + 4.6

What is -6.21?

400

19/20 - 8/10 - (-3/5)

What is 3/4?

500

-27.8 - 2.1 + 9 9/10

What is -20?