Unit 4 Multiply Decimals

Multiplying a decimal by 10⁴ shifts the decimal point 4 places to the right.

• Always

• Sometimes

• Never

The product of a whole number and a decimal is a whole number

• Always

• Sometimes

• Never

The product of two decimals numbers less than 1 is greater than either factor

• Always

• Sometimes

• Never

The product of a number multiplied by 0.1 is 10 times as much as multiplying the same number by 0.01

• Always

• Sometimes

• Never

Match the following

• 7.2 x 10³

• 240 x 0.03

• 3,800

• 3.8 x 0.1

• 7.2

• 0.38 x 10⁴

• 0.38

• 0.08 x 0.9

• 0.072

• 7.2 x 1,000

Choose ALL the expressions that are equal to 0.75 x 0.5

• 5/10 x 75/10

• 5/100 x 75/100

• 75/100 x 5/10

• 5/10 x 75/100

• 50/100 x 75/100

Match the following

• 40

• 5 x 0.8

• 0.04

• 5 x 0.08

• 0.4

• 50 x 0.8

• 4

• 0.5 x 0.08

Select ALL equations that the number 10² makes true

• 0.031 x ___ = 31

• 0.501 x ___ = 501

• 4.08 x ___ = 408

• 0.97 x ___ = 97

• 0.55 x ___= 550

Match the following

• 30.4

• 3.04 x 10

• 3.04

• 0.304 x 10⁴

• 3,040

• 3.04 x 10²

• 304

• 0.304 x 10

Select ALL the expressions that are equal to 0.09 x 0.4

• 9/100 x 4/10

• 4/100 x 9/100

• 9/10 x 4/10

• 4/10 x 9/100

• 40/100 x 9/100