Keystones — Bedrock
Five GCSE retrieval questions · 16 January 2026 · mathsvault.uk/keystones
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1. Number
Multiply: 13 × 5
Answer: 13 × 5 = 65 -
2. Algebra
Solve: x + 12 = 21
Answer: x = 9 -
3. Geometry
Opposite = 10cm, hypotenuse = 14.cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics
Find the mean of: 18, 12, 10, 17
Answer: 14.25