Page 55 - 01-Yr5_Front cover-ccp.indd

• Simplifying fractions • • ••• 57

[]] Simplify these fractions.
8 25 d 1Q
a m d c 100 15
12 21 h ~
e 15 f ~ g 28 100
. 30 4 k ~ I :1Q
I 36 j 16 32 48
~ Choose 3 fractions, then simplify t hem.
@] Simplify these fractions.
Then show them as mixed numbers.
A mixed number is written
a ~ big c]3 d1f as o mixture of whole numbers
and fractions. For example, 1 ~.
1 2 3 4 5 6
7 8 9 10 11 12
13 14 15 16 17 18
19 20 21 22 23 24
25 26 27 28 29 30
31 32 33 34 35 36
37 38 39 40 41 42
43 44 45 46 47 48
What fraction of the numbers
on the grid are:
a multiples of 4 b factors of 24 c prime numbers
d square numbers e triangular numbers f even and multiples of 3?
SJ j,,,, •• ,2.f
DJ DJ cg]

a .!:!__ b l_ c l_ d 2_ e .!:!__ f L a 0·5 b 0·4 (x 2) a 0·8 b 0·04 c 0·35
5 3 4 3 5 10
g -3._ h -3.__ _Q__ l_ k -3._ l_ c 0· 15 (x 5) d 0· 1 25 (x 1 25) d 0·02 e 0·32 f 0·55
4 10 6 4 4 3
cg]
I I 8 7 11 .!:!__ a 1 ·6 b 3·16 c 5-65
Open: choosing three fractions and simplifying them.
50 ' 25 ' 25 ' 20 ' 20 ' 5
~ l_ = 0·125
8
a -3._ _ 11- b .!:!__ - 11- C Q_ _ 11- d u _ 2.3._ 2_ = 0·25 Practical: using a calculator to
8
2 - 2 3 - 3 5 - 5 4 - 4
-3._ = 0·375 check answers.
8
.!:!__ = 0·5
8
a 1- b l_ c _5_ d l_ e -3.__ f l_ _Q__ = 0·625
4 6 16 8 16 6 8
Q_ = 0·75
8
]_
8 = 0·875
.8- = 1·0
8