Place Value
Multiplying by 10, 100. 1000
Adding Decimals
Multiplying Decimals
Subtracting Decimals.
200

In 9.81, what place is the 1 in?

Hundredths 

200

12.1 x 100

1,210

200

Add these decimals. 21.74 + 8.27

30.01

200

Multiply these decimals. 0.03 * 10

.3

200

Subtract these decimals.

3.53 - 2

1.53

400

In 28.465, what place is the 5 in?

Thousandths 

400

9,563 x 10 =

95,630

400

Add these decimals. 6.125 + 18

24.125

400

Multiply these decimals. 0.23 * 7

1.61

400

Subtract these decimals.

10.71 - 0.7

10.01

600

129.87946 What is the value of the 6?

Hundred Thousandths 

600

52.1 x 1,000 =

52,100

600

Add these decimals. 5.2 + 3.11

8.31

600

Multiply these decimals. 4.4 * 5.3

23.32

600

Subtract these decimals.

2.54 - 1.82

0.72

800

In 1.203 what place is 2 in?

Tenths 

800

0.321 x 100 =

32.1

800

Add these decimals. 17 + 9.54

26.54

800

Multiply these decimals. 0.7 * 2.6 

1.82

800

Subtract these decimals.

2.15 - 1.05

1.1

1000

In 93.4258, what place is the 8 in

Ten Thousandths 

1000

59.8 x 1,000 =

59,800

1000

Add these decimals. 4.67 + 29.1

33.77

1000

Multiply these decimals. 2.5 * 7

17.5

1000

Subtract these decimals.

1.72 - 0.8

0.92