Addition, Subtraction, Multiply Decimals by Powers of Ten, Tens, Hundreds, and Thousands

0.09 x 1 

• 0.9
• 0.09
• 0.009
• 9.00

0.23 x 10

• 2.30 
• 0.23
• 23.0
• 0.023

0.44 x 100 

• 44
• 0.44
• 0.044
• 4.4

0.75 x 1,000

• 750
• 7.50
• 75.0 
• 0.75

9.34 x 1 

• 0.934
• 9.34
• 93.4
• 934

9.34 x 1,000

• 9,340 
• 934
• 93.4
• 9.34

34.45 x 10

• 34.45
• 344.5
• 3.445
• 3,445

How many spaces do we move the decimal when we times a number by 10?

• 1

• 2

• 3

• 4

How many spaces do we move the decimal when we multiply a number by 100?

• 1

• 2

• 3

• 4

1.2 x 100 =

• 120

• 1.20

• 12.0