Rounding
Comparisons
Dividing and Multiplying by
10, 100, 1,000
Powers of Ten
Ordering Decimals + other stuff
100

17.78 to the nearest tenth 

17.8

100

45.5             44.9

>

100

32.2 x 1,000

32,200

100

10in standard form 

10,000,000

100

Order these numbers from Least to Greatest 

71.4,    71.41,     71.29,     70.99

70.99,     71.29,       71.4,     71.41

200

132.342 to the nearest hundredth

132.34

200

1.45           1.54

<

200

893.17 x 100

89,317

200

10in standard form 

1,000,000,000

200

Order these numbers from Least to Greatest 


4.1,      3.89,        4.21,        5.01,    2.9

2.9,            3.89,        4.1,        4.21,        5.01

300

9.555 to the nearest whole number 

10

300

3.9                   39 tenths 

=

300

0.003 x 106

3,000

300

1,000,000,000,000 in exponential form 

1012

300

Write the following in expanded form:


17.843

(1 x 10)+(7 x 1)+(8 x 0.1)+ (4 x 0.01)+(3 x 0.001)

400

54.597 to the nearest hundredth 

54.6 or 54.60

400

two hundred and 32 hundredths                     

 two hundred thirty two

<

400

0.03     divided by 100

0.0003

400

1010   in standard form 

10,000,000,000

400

Write 15.321 in unit form 

1 ten 5 ones 3 tenths 2 hundredths 1 thousandth 

500

99.999 to the nearest tenth 

100

500

54 ones          540 hundredths 

>

500

17.17 divided by 106

0.00001717

500

10,000 x 1,000 in exponential form 

107

500

write the following in standard form:


one hundred seventeen and two hundred three thousandths 

117.203

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