Place Value
Multiplying by 10, 100. 1000
Adding Decimals
Patterns
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

Continue the pattern & explain the rule

2.3, 3.4, 4.5, 5.6, _, _, _,  

+ 1.1

6.7, 7.8, 8.9

400

In 28.465, what place is the 5 in?

Thousandths 

400

95.63 x 10 =

956.3

400

Add these decimals. 6.125 + 18

24.125

400

Continue the pattern & explain the rule

2.75, 3, 3.25, 4.50, _, _, _,  

+ 0.25

4.75, 5, 5.25

600

129.87946 What is the value of the 6?

Hundred Thousandths 

600

52.1 x 100 =

5,210

600

Add these decimals. 5.2 + 3.11

8.31

600

Continue the pattern & explain the rule

50, 49.8, 49.6, 49.4, _, _, _,  

- 0.1

49.2, 48, 48.8

800

In 1.2437, what decimal place is worth 10 times LESS THAN the 4?

Thousandths 

800

0.321 x 100 =

32.1

800

Add these decimals. 17.809 + 9.54

27.359

800

Continue the pattern & explain the rule

25.5, 28, 30.5, 33, _, _, _,  

+2.5

35.5, 38, 40.5

1000

In 93.4258, what place is 100 times GREATER THAN the 2?

Ones.
1000

59.8 x 1,000 =

59,800

1000

Add these decimals. 4.67 + 29.1

33.77

1000

Continue the pattern & explain the rule

92.4, 96.8, 101.2, 105.6, _, _, _,  

+ 4.4

110, 114.4, 118.8