Powers of 10

Place Value

100

What number is in the hundreds place?  5,897

8

200

What number is in the tenths place?    48.391

3

300

How does the 3 in 345 compare to the 3 in 34?

10 x bigger

400

How does the 5 in 5.89 compare to the 5 in .05?

100 x bigger

500

How does the 3 in .983 compare to the 3 in .345?

1/100

Rounding

100

Round to the nearest tenth place

.728

.700

200

Round to the nearest hundredth

123.875

123.880

300

What is 9.1237 rounded to the nearest thousandths?

9.1240

400

Round to the nearest whole number

34.891

35.000

500

Round to the nearest hundredths

5.997

6.000

Multiply

100

3.1 x 10 

31

200

5.78 x 10²

578

300

2.9 x 1,000

2,900

400

34.085 x 10⁵

3,408,500

500

0.0000672 x 10³

.0672

Divide

100

Which direction do you move the decimal when you multiply?

Which direction do you move the decimal when you divide?

Multiply- right

Divide- left

200

57.9 ÷ 10

5.7

300

87.47 ÷ 10³

.08747

400

6.12 ÷ 1,000

.00612

500

9.0174 ÷ 10⁵

.000090174

Powers Questions

100

What is the missing exponent?

45 x 10^? = 450,000

4

200

What is 10⁴  as an expression?

10 x 10 x 10 x 10 

300

What is the value of 10^6?

1,000,000

400

The positions of the 6 and 8 are switched in 6,841 to create a new number. What is the value of the 6 in the new number?

600

500

Write all the ways to express 10³

10 x 10 x 10

1,000