Decimals Review - Copy

Place Value

200

In 9.81, what place is the 1 in?

Hundredths 

400

In 28.465, what place is the 5 in?

Thousandths 

600

129.87 What is the place value of the 8?

Tenths

800

In 1.203 what place is the 0 in?

Hundredths

1000

In 93.4258, what place is the 8 in?

Ten Thousandths 

Multiplying by 10, 100, 1000

200

12.1 x 100 =

1,210

400

9,563 x 10 =

95,630

600

52.1 x 1,000 =

52,100

800

0.321 x 100 =

32.1

1000

59.8 x 1,000 =

59,800

Adding Decimals

200

Add these decimals: 21.74 + 8.27

30.01

400

Add these decimals: 6.125 + 18

24.125

600

Add these decimals: 5.2 + 3.11

8.31

800

Add these decimals: 17 + 9.54

26.54

1000

Add these decimals: 4.67 + 29.1

33.77

Multiplying Decimals

200

Multiply these decimals: 0.3 x 10

3

400

Multiply these decimals: 0.23 x 7

1.61

600

Multiply these decimals: 4.4 x 7

30.8

800

Multiply these decimals: 9 x 2.6 

23.4

1000

Multiply these decimals: 2.5 x 7

17.5

Subtracting Decimals

200

Subtract these decimals: 85.71 - 31.29

539.211

400

Subtract these decimals: 10.71 - 0.7

10.01

600

Subtract these decimals: 547.612 - 3.107

544.505

800

Subtract these decimals: 9.034 - 0.095

8.939

1000

Subtract these decimals: 1.72 - 0.8

0.92