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KS3 Maths Foundation Questions – Subtraction and Addition

1) Use column addition to solve these?

a) 57 + 9 =

b) 47 + 32 =

c) 34 + 158 + 176 =

d) 2657 + 578 =

2) Do these sums without a calculator?

a) 76 – 8 =

b) 467 – 46 =

c) 498 – 12 – 257 =

d) 3457 – 2452 =

3) I have two bags of marshmallows. One holds 12 marshmallows. How much does the other hold if together they have 20 marshmallows?

4) A doghouse fits 2 dogs. If I have 5 doghouses and 12 dogs how many more dogs can I have?

5) I have saved £12 for a £25 gift. How much more do I need to purchase the gift?

KS3 Maths Higher Questions – Subtraction and Addition

1) Use column addition to solve these?

a) 5.7 + 0.9 =

b) 4.7 + 3.2 =

c) 34.3 + 15.8 + 17.6 =

d) 26.57 + 57.8 =

e) 5.6 + 7.8 =

f) 0.75 + 0.89 =

2) Do these sums without a calculator?

a) 7.6 – 0.8 =

b) 46.7 – 4.6 =

c) 49.8 – 1.2 – 2.57 =

d) 34.57 – 24.52 =

e) 7.9 – 5.2 =

f) 0.98 – 0.54 =

3) The House is 13.8m tall whilst the shrub is 4.2m tall. How much taller is the House?

4) If I buy some sweets for £0.90, a pack of chewing gum for £0.30 and a can of sprite for £0.30 how much change do I get from £3?

5) What is the total cost of three bags of chocolate at £0.70 each and a bottle of water for £1.20?