G5 4/9 Place Value and Powers of 10

1) Multiplying by Powers of 10

100

8 x 10^3  =  

8000

200

2 x 10^2= 

20

300

 0.02 x ___ = 2

100

400

0.03 x 1000 = ____

30

500

0.18 x 100 = 

18

2) Dividing by Powers of 10

100

5430/10

543

200

63,450/1,000

63.45

300

458.9/100

4.589

400

14,598/10

1,459.8

500

63,000/100

630

3) Powers of 10

100

What is 10 x 10 x 10 x 10

10^4=10,000

200

Is this a power of 10?

4¹⁰

No

(Powers of 10 must have BASES of 10)

300

What is 10⁵

100,000

400

The exponent is equal to the _____________ after the 1 in a power of 10

Number of zeros

500

10,000 is 10 to the power of  ____

4

4) Multiplying by Powers of 10

100

When you multiply a number by a power of 10, you move the digits to the _________

Left

200

0.004 x 10^3=  

 

10^3

300

____ x 0.006 = 6

10^3

400

0.007 x ___ = 7

10^3

500

8 x 100 = 8 x 10^2 = ____

800

5) Dividing by Powers of 10 with exponents

100

When you divide a number by a power of 10, you move the digits to the _________

Right

200

5.2 ÷ 10

0.52

300

520 ÷ 10^2 

5.2 

400

52 ÷ 10^3

0.052

500

5200 ÷ 10^1

520