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P5 MATHS
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SAPMATP5_W09Page 1/4
Taken from Learning Maths Book 5A
Fractions (Part 1)
Add the unlike fractions. Express your answer in its simplest form.
1. 1__ 5 + 4__ 6 = 6___ 30 + 20___ 30 = 26___ 30 = 13___ 15 4. 6___ 12 + 1__ 6 =
2. 2__ 7 + 2__ 3 = 5. 3__ 4 + 2___ 10 =
3. 1__ 8 + 1__ 2 =
2. 20 __ 21
2 _ 7 + 2 _ 3 = 6 __ 21 + 14 __ 21 = 20 __ 21
3. 5 _ 8
1 _ 8 + 1 _ 2 = 1 _ 8 + 4 _ 8 = 5 _ 8
4. 2 _ 3
6 __ 12 + 1 _ 6 = 6 __ 12 + 2 __ 12 = 8 __ 12 = 2 _ 3
5. 19 __ 20
3 _ 4 + 2 __ 10 = 15 __ 20 + 4 __ 20 = 19 __ 20 Solutions:
P5 MATHS
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SAPMATP5_W09Page 2/4
Taken from Learning Maths Book 5A
Fractions (Part 1)
Subtract the unlike fractions. Express your answer in its simplest form.
1. 2__ 3 – 4__ 7 = 14___ 21 – 12___ 21 = 2___ 21 4. 8__ 9 – 2__ 5 =
2. 2__ 9 – 1___ 12 = 5. 5__ 6 – 4__ 7 =
3. 3__ 5 – 1__ 4 =
2. 5 __ 36
2 _ 9 – 1 __ 12 = 8 __ 36 – 3 __ 36 = 5 __ 36
3. 7 __ 20
3 _ 5 – 1 _ 4 = 12 __ 20 – 5 __ 20 = 7 __ 20
4. 22 __ 45
8 _ 9 – 2 _ 5 = 40 __ 45 – 18 __ 45 = 22 __ 45
5. 11 __ 42
5 _ 6 – 4 _ 7 = 35 __ 42 – 24 __ 42 = 11 __ 42
Solutions:
P5 MATHS
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SAPMATP5_W09Page 3/4
Taken from Learning Maths Book 5A
Fractions (Part 1)
Find the value of the following. Express your answer as a fraction in its simplest form or as a mixed number.
1. 12÷8=
2. 29÷5=
3. 36___ 7 =
4. 42___ 4 =
1. 11 _ 2
12 ÷ 8 = 12 __ 8 = 3 _ 2 = 11 _ 2
2. 54 _ 5
29 ÷ 5 = 29 __ 5 = 54 _ 5
3. 51 _ 7
36 __ 7 = 51 _ 7
4. 101 _ 2
42 __ 4 = 102 _ 4 = 101 _ 2
Solutions:
P5 MATHS
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SAPMATP5_W09Page 4/4
Taken from Mental Mathematics Book 5
STRATEGY
Solutions: 1. 456 2. 828 3. 516 4. 648 5. 984 6. 900 7. 1092 8. 216 9. 576 10. 348
Do these sums mentally.
1. 38×12=
2. 69×12=
3. 43×12=
4. 54×12=
5. 82×12=
6. 75×12=
7. 91×12=
8. 18×12=
9. 48×12=
10. 29×12=
Findthevalueof58×12.
58×12=(50×12)+(8×12) [breakupthemultiplicand,58] =600+96 =696
Mental Maths: Multiplying Numbers by 12