Review Time!!! Operations with Decimals

Multiplying/Dividing by Base 10

100

12.1 x 100

1,210

200

9.563 x 10 =

95.630

300

52.1 x 1,000 =

52100

400

0.321 x 100

32.1

500

59.86422 x 1000 =

59864.22

Adding Decimals

100

Add these decimals: 21.74 + 8.27

30.01

200

Add these decimals: 5.2 + 3.11

8.31

300

Add these decimals: 6.125 + 18.4729

24.5979

400

Add these decimals: 17 + 9.54

26.54

500

Add these decimals: 4.67 + 29.1

33.77

Multiplying Decimals

100

Multiply these decimals: 0.12 * 100

12

200

Multiply 10 * 5.3 =

53

300

200 Bonus Points

200 Bonus Points

400

Multiply these decimals.  12.7 * 1000 =

12,700

500

Multiply these decimals: 1.24 x 1000

1,240

Subtracting Decimals

100

Subtract these decimals: 851.701 - 312.49

539.211

200

Subtract these decimals: 10.71 - 0.7

10.01

300

Subtract these decimals: 547.612 - 3.107

544.505

400

Subtract these decimals: 9.034 - 0.095

8.939

500

Subtract these decimals: 1.72 - 0.8

0.92