Decimal Operations

Rounding

100

Round 1.2 to the nearest whole number

1

200

Round 3.59 to the nearest tenth

3.6

300

Round 4.655 to the nearest hundredth

4.66

400

Round 5.6578 to the nearest hundredth

5.66

500

Round 9.99 to the nearest tenth

10.0

Adding

100

What is

  2.2
+3.3

5.5

200

What is

   3.9
+ 1.1

5

300

What is 5.55 + 3.66

9.21

400

What is 6.789 + 2.4

9.189

500

What 1.312 + 4.5699? Round to the nearest hundredth.

5.8819 = 5.88

Subtracting

100

What is

  8.8
- 4.5

4.3

200

What is 

  9.81
- 7.70

2.11

300

What is 3.45 - 2.35

1.1

400

What is 9.81 - 5.9

3.91

500

What 8.72 - 8.635

0.085

Multiplying

100

What is 2 x 3.2

6.4

200

What is 8.3 x 2.4

19.92

300

What is 12.5 x 3.3

41.25

400

What is 7.6 x 10.32

78.432

500

What is 9.86 x 5.37

52.9482

Dividing

100

What is 16.5 / 3

5.5

200

What is 1.6 / .2

8

300

What is 3.01 / .7

4.3

400

What is 7.02 / .9

7.8

500

What is 9.9 / 2.2

4.5