Keystones — Bedrock
Five GCSE retrieval questions · 17 February 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 43 + 89
Answer: 43 + 89 = 132 -
2. Algebra
Simplify: 3x + 4x
Answer: 7x -
3. Geometry
Opposite = 9cm, hypotenuse = 18cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
In ratio 5:2, the difference between shares is 30. What are the shares?
Answer: 50 and 20 -
5. Statistics
Find the mean of: 9, 12, 18, 17, 18
Answer: 14.8