Maths - Addition and Subtraction
20 free practice questions with explanations
PassNova has 20 free KS1 SATs practice questions on Maths - Addition and Subtraction, each with a clear explanation. Practise them in the browser with instant feedback — 100% free, no sign-up, on any device. Updated for 2026.
Maths - Addition and Subtraction: example questions & answers
12 worked examples with answers and explanations below. Practise all 20 Maths - Addition and Subtraction questions free in the browser, with instant feedback on every answer.
2 + 3 = ?
- A1
- B4
- C5✓
- D6
Answer: 2 apples and 3 apples make 5 apples. 2 + 3 = 5.
5 + 2 = ?
- A3
- B7✓
- C6
- D8
Answer: Start at 5 and count on 2 more: 5, 6, 7. So 5 + 2 = 7.
4 + 4 = ?
- A8✓
- B7
- C6
- D4
Answer: 4 and 4 is the same as two groups of 4. That makes 8.
6 - 2 = ?
- A4✓
- B8
- C3
- D5
Answer: If we take away 2 from 6, we have 4 left. 6 - 2 = 4.
10 - 3 = ?
- A8
- B7✓
- C6
- D13
Answer: Start at 10 and count back 3: 10, 9, 8, 7. So 10 - 3 = 7.
7 + 3 = ?
- A10✓
- B4
- C9
- D11
Answer: 7 + 3: Start at 7, count on 3 more: 7, 8, 9, 10. So 7 + 3 = 10.
5 + 5 = ?
- A10✓
- B9
- C8
- D11
Answer: Two groups of 5 make 10. This is an important number to remember!
8 - 4 = ?
- A3
- B4✓
- C5
- D12
Answer: If we take away 4 from 8, we have 4 left. 8 - 4 = 4.
3 + 4 + 2 = ?
- A8✓
- B9
- C7
- D10
Answer: 3 + 4 = 7, then 7 + 2 = 9. So 3 + 4 + 2 = 9.
12 + 5 = ?
- A15
- B17✓
- C16
- D20
Answer: Start at 12, count on 5: 12, 13, 14, 15, 16, 17. So 12 + 5 = 17.
15 - 5 = ?
- A20
- B10✓
- C5
- D8
Answer: Start at 15, count back 5: 15, 14, 13, 12, 11, 10. So 15 - 5 = 10.
? + 3 = 10
- A5✓
- B6
- C7
- D8
Answer: We need to find the missing number. 7 + 3 = 10. So the answer is 7.