Place Value
Multiplying by 10, 100. 1000
CHALLENGE
Multiplying Decimals
Power x Decimals.
decimals times decimals
200

In 23.81, what place is the 1 in?

Tenths 

200

 13.09 x 10

130.9

200

10^3 x 0.1 = 

100

200

Multiply these decimals:   .004 x 100

0.4

200

4 x 10

40

200

5.3 x 6.0 

31.8 

400

In 4,167.751, what place is the 5 in?

Hundredths 

400

1761 x 10 =

17,610

400

Joanne needs sandwiches for her dinner party. She is expecting 25 dinner guest. Would this equation be enough sandwiches for her guests? 

6.4 x 3.2 - 2 + 5.52 =

24 sandwiches, no it is not enough. 

400

Multiply these decimals. 0.6 x 0.6

0.36

400

500 x 9^0 

500

400

8.9 X 0.1 

.89

600

In 546,876.24 What is the value of the 8?

Hundreds

600

4678.9 x 1000 =

4,678,900

600

6.64 x 0.00004

0.0002656

600

Multiply these decimals: .8 x .800

0.6400

600

9,000 x 10^6 

9,000,000,000

600

0.8 x .90

.720

800

In 0.2030 what place is 0's in?

(Hint there are three answers) 

ones, Hundredths,  and ten thousandths 

800

0.434 x 1.00 =

0.434

800

PEMDAS 

10^2 x 4 +9 -14= 

395

800

Multiply these decimals. 8.9 x 7.09

63.101

800

904.5 x 0.1

90.45

800

6.095 x 4.56 

27.7932

1000

5.34 x 0.2 =

a. 1068

b. 1.068

c. 10.68

d. 106.8

b. 1.068 

1000

.0000178 x 1,000 =

.0178

1000

Add these decimals. 54.54 + 45.46 

100

1000

Multiply these decimals:  7.23 x 5.6

40.488 

1000

100^0 x 1 + 6^0 = 

2

1000

00.75 x .99 

0.7425 

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