Solve Missing Number Addition (Year 5)
Practise solve missing number addition within Algebra (intro) for Year 5, with worked examples and instant feedback.
The questions below are generated to match the National Curriculum for Year 5 and get harder as you progress from Rookie to Guru.
Worked examples
RookieRead and interpret directly.
Solve: x − 5 = 12.
- 17
- 7
- 5
- 12
Answer: 17. Add to both sides.
ProCompare and infer.
Solve for the missing value: 3 × ▢ = 27
- 3
- 9
- 24
- 81
Answer: 9. To undo the multiplication by 3, divide by 3: 27 ÷ 3 = 9. Check: 3 × 9 = 27. ✓
GuruMulti-step reasoning.
Find n: 5n − 4 = 3n + 6.
- 5
- 1
- 10
- 2
Answer: 5. Variables one side.
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