Comparing Numbers
Multiplying and Dividing by Powers of 10
Place Value
Exponents
Forms Forms Forms
100

.4 __________ .127

.4 > .127

100

5.6 x 10=

56

100

Ms. Heisner multiplied 1.2 x 10 and got an answer of 12. How did the value of the 2 change? 

The 2 became 10 times bigger
100

Write the number 100 exponent form

102

100

Write fifty six hundredths in standard form

.56

200

3 thousandths + 4 hundredths __________ .43

3 thousandths + 4 hundredths < .43

200

45.3 divided by 10=

4.53

200

Nick divided 3.4 by 10 and got an answer of .34. How did the value of the 4 change? 

The 4 is 1 tenth (1/10) as large

200

Write 10 as an exponent

101

200

write 6.304 in word form

six AND three hundred and four thousandths

300

25 tenths __________ 2.5

25 tenths = 2.5

300

5.64 x 103

5,640

300

Sophia multiplied 56 by 100 and got 5,600. How did the value of the 5 change? 

The 5 is 100 times larger. 

300

write  104 in standard form

1,0000

300

Write .45 in expanded form

(4x .1) + (5x .01)

400

2 thousands + 1 hundredth ___________ .012

2 thousands + 1 hundredth > .012

400

40 x 102

4,000

400

In the number 5.67, compare the value of the 6 to the value of the 7. 

the value of the 6 is 10 times as large. 

400

write an equation for 102  using powers of 10. 

10x10

400

write 56.89 in expanded form

(5x10) + (6x1) + (8x .1) + (9x.01)

500

2 tens 3 tenths 1 thousandth ________ 20.31

2 tens 3 tenths 1 thousandth < 20.31

500

6 divided by 103

.006

500

In the number 3.32, compare the value of the 3 in the tenths place to the 3 in the ones place. 

The 3 in the tenths place is 1 tenth (1/10) as large as the 3 in the ones place. 

500

write an equation for 103  using the number 10. 

10x10x10

500

write 345.608 in unit form

3 hundreds 4 tens 5 ones 6 tenths 0 hundredths and 8 thousandths