Moving Decimals

3.28 x 4.5 =

How many numbers are behind the decimal?

• 1 number

• 2 numbers

• 3 numbers

• 4 numbers

32.8 x 4.5 =

How many numbers are behind the decimal?

• 1 number

• 2 numbers

• 3 numbers

• 4 numbers

3.28 x .45 =

How many numbers are behind the decimal?

• 1 number

• 2 numbers

• 3 numbers

• 4 numbers

328 x 4.5 =

How many numbers are behind the decimal?

• 1 number

• 2 numbers

• 3 numbers

• 4 numbers

5.4 x 3.2 =

What is the correct answer?

• 172.8

• 17.28

• 1.728

• 0.1728

54 x 3.2 =

What is the correct answer?

• 172.8

• 17.28

• 1.728

• 0.1728

.54 x 3.2 =

What is the correct answer?

• 172.8

• 17.28

• 1.728

• 0.1728

.54 x .32 =

What is the correct answer?

• 172.8

• 17.28

• 1.728

• 0.1728

Adding decimals is the same as multiplying decimals

• true

• false

What do you do when multiplying decimals?

• Line up the decimals before you start

• Count the numbers in front of the decimal in the problem

• Count the numbers behind the decimal in the problem

• Get rid of the decimal