math primary 4: fraction

Divide in two piece equally

one part of two

In fraction : ½In word : a half

Divide in three piece equally

one part of three

In fraction :

In word : one third

13

one part of four

In fraction :

In word : one fourths or

a quarter

14

two part of four

In fraction :

In word : two fourths

24

In fraction :

In word : two third

23

In fraction :

In word : two fifths

25

In fraction :

In word : three fifths

35

In fraction :

In word : two sixths

26

EQUIVALENT FRACTIONS

1 2

2 4

1 2

2 4

= or 1 2

2 4

=

4

1 2

2 4

=

x 2

x 2

1 2

2 4 =

: 2

: 2

1 2 = one half

2 4

= two fourths

4 8

= four eighths8

3 6

= three sixths

1 2

2 4

= = 3 6

4 8

=

1 2

2 4

=

4 8

1 2

=

1 2

2 4

=

x 2

x 2

1 2

4 8

=

x 4

4 8

1 2

=

1 2

3 6

=

1 2

4 8

=

x 4

1 2

3 6 =

: 3

: 3

2 3

6 9

=

5 25

1 5

=

2 3

6 9

=

x 3

x 2

1 5

5 25=

x 5

5 25

1 5

=

10 30

1 3

=

1 5

5 25=

x 5

10 30

1 3 =

x 10

x 10

2 8

1 4

=

1 3

5 15

=

2 8

1 4

=

: 2

: 2

5 15

1 3=

: 5

1 3

5 15

=

1 5

4 20

=

5 15

1 3=

: 5

1 5

4 20 =

: 4

: 4

1 8

5 40

=

1 5

3 15

= 1 5

3 15

=

4 80

1 20

=

COMPARE AND ORDER FRACTIONS

Which is a greater fraction or1 2

1 3

1 2

1 32 3

is greater than or 1 2

1 3

1 2

1 3>

Which is a greater fraction or2 8

2 6

2 8

2

is greater than or 2 6

2 8

28

2 6<

2 6

Which is a greater fraction or2 3

3 5

2 3

10 15

=

x 5

x 5

3 5

9 15

=

x 3

x 310 9 >

x 5 x 310 15

9 15>

2 3

3 5>

Which is a greater fraction or3 7

2 3

3 7

9 21

=

x 3

x3

2 3

14 21

=

x 7

x 79 14 <x3 x 79

2114 21<

3 7

2 3<

1 8

2 5<

Which is a greater fraction

2 5

3 7>

5 9

6 8<

3 4

9 12=5 7>

3 7

4 6<

4 12=

1 8

2 5<

2 3

8 12

=

x 4

x4

1 2

6 12

=

x 6

x 6

Arrange fractions in order beginning from the smallest2 3

1 2

, 3 4

,

3 4

9 12

=

x 3

x 3x4 x 6 x 3

6 12

8 12<

1 2

2 3,

9 12<

3 4,smallest

Arrange fractions in order beginning from the smallest

8 20

5 20

2 5

1 4, 1

2,

10 20

= 1 4

2 5, 1

2,

20 20 20

24 40

10 40

3 5

1 4, 5

8,

25 40

= 1 4

3 5, 5

8,

Arrange fractions in order beginning from the greatest

48 60

20 60

4 5

2 6, 3

10,

18 60

= 4 5

2 6, 3

10,

60 60 60

18 24

6 24

3 4

2 8, 5

6,

20 24

= 5 6

3 4, 2

8,

Improper Fraction and Mixed Number

1 2

2 2

1 =

2 2

1 2

+ 3 2

= Improper fraction

Mixed number1 2

+ 1 2

=1 1or,

3 2

1 2

=1

2 3

3 3

3 3

+ 6 3

= = 2

6 3

2 3

+ 8 3

= Improper fraction

Mixed number2 3

+ 2 3

=2 2or,

8 3

2 3

=2

12 3 15

12 4

3 = 3 4

12 4

3 4

+ 15 4

= Improper fraction

Mixed number3 4

+ 3 4

=3 3or,

15 4

3 4

=3

5 2

= 1 22

10 3

= 1 33

15 7

= 1 72

13 6

=1 62

35 8

=3 84

44 5

=4 587

=72

23 4

= 3 45

32 9

= 5 93

5=

58

14 12

=2 121

71 10

=1 107