Keystones — Bedrock
Five GCSE retrieval questions · 7 May 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 1 + (-7)
Answer: -6 -
2. Algebra
Find the next term: 23, 30, 37, 44, ...
Answer: 51 -
3. Geometry
Opposite = 14cm, hypotenuse = 19.8cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 10:12
Answer: 5:6 -
5. Statistics
Find the range of: 21, 34, 17, 34, 13
Answer: 21