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Addition & subtraction practice questions with answers

Foundation · Grade 1 · Non-calculator

A second set of addition & subtraction questions for GCSE Maths. They are different from the ones on the topic page, so work through both. Try each question, then open the answer to check your working.

More questions

Question 1 Easy

Find 70 + 19.

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Answer: 89

  1. 70 + 10 = 80.
  2. 80 + 9 = 89.
  • Method (1): 70 + 10 = 80.
  • Accuracy (1): Answer 89

Question 2 Easy

What is 90 − 40?

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Answer: 50

  1. The gap from 40 to 90 is 5 tens.
  2. 5 tens is 50.
  • Method (1): The gap from 40 to 90 is 5 tens.
  • Accuracy (1): Answer 50

Question 3 Medium

Add 145 and 30.

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Answer: 175

  1. 145 + 30 = 175.
  2. Only the tens digit changes.
  • Method (1): 145 + 30 = 175.
  • Accuracy (1): Answer 175

Question 4 Medium

Work out 200 − 45.

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Answer: 155

  1. 200 − 40 = 160.
  2. 160 − 5 = 155.
  • Method (1): 200 − 40 = 160.
  • Accuracy (1): Answer 155

Question 5 Hard

Work out 99 + 46.

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Answer: 145

  1. 99 + 46 = 145.
  2. 9 + 6 = 15 ones, so one ten carries.
  • Method (1): 99 + 46 = 145.
  • Accuracy (1): Answer 145

Question 6 Hard

Which total is larger: 80 − 27 or 40 + 15? Give the larger total.

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Answer: 55

  1. 80 − 27 = 53.
  2. 40 + 15 = 55, and 55 is larger.
  • Method (1): 80 − 27 = 53.
  • Accuracy (1): Answer 55

Exam-style question

A longer question with marks, in the style of a written paper. This is a Yumio practice question, not a past paper question.

Exam-style question 12 marks

Work out 506 − 80.

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Answer: 426

  1. 506 − 80 = 426.
  2. 0 tens cannot lose 8 tens, so break a hundred: 10 tens − 8 tens = 2 tens, and 5 hundreds becomes 4.
  • Method (1): Subtracts 8 tens from 506
  • Accuracy (1): Answer 426

Quick checks

Short one-step questions. Pick an option before you open the answer.

Check 1

What is 20 + 7?

  1. 27
  2. 207
  3. 13
Show answer

27 Two tens and seven ones is 27.

Check 2

What is 60 − 10?

  1. 50
  2. 70
  3. 59
Show answer

50 One ten less than 60 is 50.

Check 3

Which word means add?

  1. Altogether
  2. Left
  3. Difference
Show answer

Altogether Altogether asks for a total.

Check 4

Which word means subtract?

  1. How many more
  2. Total
  3. Sum
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How many more How many more asks for a gap.

Check 5

What is 45 + 10?

  1. 55
  2. 46
  3. 35
Show answer

55 Adding one ten changes 4 tens into 5 tens.

Check 6

What is 30 − 8?

  1. 22
  2. 38
  3. 28
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22 30 − 10 = 20, then add the 2 you took extra, so 22.

Check 7

48 + 5. Where does the extra ten go?

  1. Into the tens
  2. It is written beside the ones
  3. It disappears
Show answer

Into the tens 13 ones is 1 ten and 3 ones.

Check 8

What is the inverse of 19 + 4 = 23?

  1. 23 − 4 = 19
  2. 23 + 4 = 19
  3. 19 − 4 = 23
Show answer

23 − 4 = 19 Subtract the number you added.

Check 9

What is 100 − 1?

  1. 99
  2. 101
  3. 90
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99 One less than 100 is 99.

Check 10

What is 15 + 15?

  1. 30
  2. 20
  3. 25
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30 15 + 10 = 25 and 25 + 5 = 30.

Check 11

What is 64 − 4?

  1. 60
  2. 68
  3. 44
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60 Taking away the ones leaves the tens.

Check 12

A book costs £12 and a pen costs £3. What is the total?

  1. £15
  2. £9
  3. £123
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£15 Total means add 12 and 3.

Check 13

You had £20 and spent £6. How much is left?

  1. £14
  2. £26
  3. £16
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£14 Spent means subtract.

Check 14

What is 7 tens?

  1. 70
  2. 7
  3. 700
Show answer

70 Each ten is worth 10.

Check 15

What is 80 + 8?

  1. 88
  2. 16
  3. 808
Show answer

88 8 tens and 8 ones is 88.

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