Multiplying Dividing Decimals

Multiplying and Dividing
with Powers of 10

-Decimals-

Multiple Choice

What is 2/100 as a decimal?

• 2.0
• 0.2
• 0.02
• 2.222

Multiple Choice

What is 1/1000 as a decimal?

• .1

• .01

• .001

• .2

Multiple Choice

What is 2/10 as a decimal?

• 0.2
• 2.0
• 0.3

tens

ones

decimal

point

tenths

hundredths

thousandths

×10

×1

.

×0.1

×0.01

×0.001

3

6

.

5

8

2

Decimal Place Value

tens

ones

decimal

point

tenths

hundredths

thousandths

×10

×1

.

×0.1

×0.01

×0.001

3

6

.

5

8

2

Decimal Place Value

×10

×100

×1,000

÷10

÷100

÷1,000

1

2

3

4

×10

×100

×1,000

÷10

÷100

÷1,000

1

2

3

4

1.234 ×10 = 12.34

×10

×100

×1,000

÷10

÷100

÷1,000

1

2

3

4

×10

×100

×1,000

÷10

÷100

÷1,000

1

2

3

4

1.234 ×100 = 123.4

×10

×100

×1,000

÷10

÷100

÷1,000

1

2

3

4

×10

×100

×1,000

÷10

÷100

÷1,000

1

2

3

4

1.234 ×1,000 = 1234.0

Multiple Choice

19.432 x 10

• 19.432

• 194.32

• 1943.2

• 1.9432

Multiple Choice

0.08 x 10 =

• 0.008

• 0.08

• 0.8

• 8

Multiple Choice

9.004 x 100 =

• 9.004

• 90.04

• 900.4

• 9004

Multiple Choice

100 x 32.8 = 

• 328.0
• 3,280
• 0.0328
• 32.80

Multiple Choice

100 x 0.3 =

• 100.3

• 10.3

• 3

• 30

Multiple Choice

3.8 X 10

• 0.038
• 0.38
• 38
• 380

Multiple Choice

59 x 1000

• 59,000
• 5,900
• 590,000
• 590

×10

×100

×1,000

÷10

÷100

÷1,000

1

2

3

4

×10

×100

×1,000

÷10

÷100

÷1,000

1

2

3

4

1234÷10=123.4

×10

×100

×1,000

÷10

÷100

÷1,000

1

2

3

4

×10

×100

×1,000

÷10

÷100

÷1,000

1

2

3

4

1234÷100=12.34

×10

×100

×1,000

÷10

÷100

÷1,000

1

2

3

4

×10

×100

×1,000

÷10

÷100

÷1,000

1

2

3

4

1234÷1,000=1.234

Multiple Choice

0.4 ÷ 10

• 4.0
• 40
• 0.40
• 0.040

Multiple Choice

3.45 ÷ 100=

• 0.345
• 34.5
• 0.0345
• 345

Multiple Choice

12.33÷10

• 1,233

• 0.1233

• 123.3

• 1.233

Multiple Choice

753 ÷ 100

• 0.753
• 753
• 75.3
• 7.53

Multiple Choice

14.08  ÷ 10=

• 1.408
• 140.8
• 14.08
• 1.480

Multiple Choice

41 ÷ 100

• 4,100
• 41
• 0.41
• 0.041