Keystones — Bedrock
Five GCSE retrieval questions · 21 April 2026 · mathsvault.uk/keystones
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1. Number
List the first 5 multiples of 8
Answer: 8, 16, 24, 32, 40 -
2. Algebra
Find the next term: 5, 10, 15, 20, ...
Answer: 25 -
3. Geometry
Opposite = 13cm, hypotenuse = 26cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 40:15
Answer: 8:3 -
5. Statistics
Find the mean of: 8, 5, 17, 13, 18
Answer: 12.2