Decimals

Adding Decimals

100

4.7 + 3.2 =

7.9

200

3.5 + 2.45 =

5.95

300

9.78 + 2.12 = 

11.90

400

3150.13 + 12.2 = 

3162.33

500

213.4 + 1.786 = 

215.186

Subtracting Decimals

100

3.89 - 2.1 =

2.79

200

4.764 - 3.89 =

0.874

300

5.845 - 3.221 = 

2.624

400

45.08 - 31.765 = 

13.315

500

121.234 - 71.2356 = 

49.9984

Multiplying Decimals

100

2.1 x 7 = 

14.7

200

0.6 x 5.2 = 

3.12

300

5.6 x 4.9 = 

27.44

400

54.3 x 6.1 = 

331.23

500

31.6 x 1.21 = 

38.236

Dividing Decimals

100

2.4 ÷ 2 =

1.2

200

3.5 ÷ 0.5 =

7

300

4.25 ÷ 5

0.85

400

9.25 ÷ 5 =

1.85

500

8.84 ÷ 1.7 = 

5.2

Rounding Decimals

100

Round 3.785 to the nearest tenth.

3.8

200

Round 4365.34 to the nearest whole number.

4365

300

Round 1.0081 to the nearest hundredth. 

1.01

400

Round 8743 to the nearest hundred. 

8700

500

Round 31.12395 to the nearest ten thousandth.

31.1240