Grade 4 - Progress in Mathematics

Estimate Fractions

8-3

Think Think

more than

1

2 less than

1

2

Think

Yo u can use 


1

2 
to estimate a fraction of a region.

About what fraction of each region is blue?

about 


1

2 
blue

about 
^34 
blue about 
^13 
blue

Yo u can use models or a number line to tell whether a

fraction is closer to 0, closer to 
^12 
, or closer to 1.

Is each of these fractions closer to 0, to 
^12 
, or to 1?

 180 
 
 120 
 
 160 

^12 
is halfway between 0 and 1.

 120 
is between 0 and 
^12 
. It is closer to 0.

 160 
is between 
^12 
and 1. It is closer to 
^12 
.

 180 
is between 
^12 
and 1. It is closer to 1.

0 1

0

10

2

10

3

10

4

10

5

10

6

10

7

10

8

10

9

10

10

10

1

10

1

2

1.9

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