Robinson Tuition
Year 7 · Key Stage 3 · free KS3 maths worksheet

Place value, addition and subtraction

12 original questions, 26 marks. Type your answers below for an instant mark and a score (algebra in any equivalent form, e.g. 2sqrt(3) or 2√3), or print the worksheet, mark it with the answers sheet, and use the solutions to see every step written out by hand.

Worksheet PDFWorked solutions PDFAnswers PDF

The questions

1

Write down the value of the 3 in the number 8.234

1 mark
Show answer
0.03
2

Here is a number.

6 305 819

  1. Write down the value of the 3
  2. Write down the number that is 10 000 more than 6 305 819
2 marks
Show answer
a) 300 000 b) 6 315 819
3

Work out these without a calculator. Try to do them in your head.

  1. 3600 + 4700
  2. 15 000 − 6800
2 marks
Show answer
a) 8300 b) 8200
4

Use a written method to work out 47.385 + 6.27 + 128

2 marks
Show answer
181.655
5

Use a written method to work out 300.4 − 86.75

2 marks
Show answer
213.65
6

Amir has £20

He buys a book costing £7.65 and a magazine costing £4.80

Work out how much money Amir has left.

2 marks
Show answer
£7.55
7
  1. Write the number 4738 correct to 2 significant figures.
  2. Write the number 0.05372 correct to 2 significant figures.
2 marks
Show answer
a) 4700 b) 0.054
8

Here is a column addition with two digits missing.

  4 □ 7
+ 2 8 □
= 7 3 2

Find the two missing digits.

2 marks
Show answer
447 + 285 = 732
9

Zara works out 39.8 + 61.3 − 19.6

She gets 181.5

Use estimation to show that Zara must be wrong.

2 marks
Show answer
40 + 60 - 20 = 80, so the answer should be about 80, not 181.5 (it is 81.5)
10

The Year 7 summer fair raised £1245.60 on Saturday and £987.85 on Sunday.

The prizes cost £368.40

How much money did the fair make after paying for the prizes?

3 marks
Show answer
£1865.05
11

Oliver has £10 pocket money.

He buys a comic for £2.75, a bag of sweets for £1.48 and a drink for 95p.

Oliver wants to have at least £5 left to save.

Does he have enough left? Show how you decide.

3 marks
Show answer
No. He spends £5.18, so he has £4.82 left, which is less than £5
12

Work out an estimate for the value of

48.7 × 6.120.216

You must round each number to 1 significant figure.

3 marks
Show answer
1500

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Answer the questions above and your score appears here.

Every question here is original and written by Robinson Tuition. It follows the Key Stage 3 programme of study; Year 9 sheets end with extension questions for top sets.

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