C1-3-3 Comparing Decimals by Rewriting
 
 
 
 

2 tenths        is the same amount as   20 hundredths

Remember that tenths can be written

as an equivalent amount of hundredths.

0.2     =    0.20
=
 
 
8.7 = 8.70

It is helpful, when comparing decimals,

to use the same number of decimal places

(giving each fraction the same denominator).

Eight and seven tenths is greater than

eight and twenty-nine hundredths

because eight and seven tenths is equal to

eight and seventy hundredths.

8.70 > 8.29
8.7 > 8.29
 
 

0.05 = 0.050

Hundredths can be written

as an equivalent amount of

thousandths in the same way.

0.050 > 0.047
0.05 > 0.047
 
 

2 = 2.00

Whole numbers can also be written

with decimal places to help with comparison.

2.00 > 1.46
2 > 1.46
 

*Rewrite the number with

the same number of decimal places.

4.2
Compare
<

>

=
4.18
 

*Rewrite the number with

the same number of decimal places.

7

Compare
<

>

=

0.99

 

*Rewrite the number with

the same number of decimal places.

6.5

Compare
<

>

=

6.500

 

5.71

Compare

*Rewrite the number with

the same number of decimal places.

<

>

=

5.9

 

0.084

Compare

*Rewrite the number with

the same number of decimal places.

<

>

=

0.84

 

0.020

Compare

*Rewrite the number with

the same number of decimal places.

<

>

=

0.02

 

45.32

Compare

*Rewrite the number with

the same number of decimal places.

<

>

=

45.2

 

*Rewrite the number with

the same number of decimal places.

3

Compare
<

>

=

0.009

 

*Rewrite the number with

the same number of decimal places.

0.4

Compare
<

>

=

0.087

 

23.096

Compare

*Rewrite the number with

the same number of decimal places.

<

>

=

23.5

 

15.022

Compare

*Rewrite the number with

the same number of decimal places.

<

>

=

15.02

 

*Rewrite the number with

the same number of decimal places.

5

Compare
<

>

=

0.5

 

0.009

Compare

*Rewrite the number with

the same number of decimal places.

<

>

=

9

 

2.300

Compare

*Rewrite the number with

the same number of decimal places.

<

>

=

2.3

 

*Rewrite the number with

the same number of decimal places.

153

Compare
<

>

=

152.099

 

*Rewrite the number with

the same number of decimal places.

42.9

Compare
<

>

=

42.91

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