Math Word Problems Demystified - A Self Teaching Guide

(Marvins-Underground-K-12) #1
SOLUTION:

3

3

8

 2

2

3

¼

279

(^81)




81

(^31)


¼

9

1

¼ 9

EXAMPLE:Divide 5


1

2

 3

1

4

SOLUTION:

5

1

2

 3

1

4

¼

11

2



13

4

¼

11

(^21)




42

13

¼

22

13

¼ 1

9

13

To change a fraction to a decimal, divide the numerator by the
denominator.


EXAMPLE:Change^58 to a decimal.


SOLUTION:


8 Þ 5 : 00

: (^6255)
8


¼ 0 : 625

48

20

16

40

40

To change a decimal to a fraction, drop the decimal point and place the
number over 10 if it has one decimal place, 100 if it has two decimal places,
1000 if it has three decimal places, etc. Reduce if possible.


EXAMPLE:Change 0.45 to a fraction.


SOLUTION:


0 : 45 ¼

45

100

¼

9

20

REFRESHER II Fractions 23

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