Keystones — Bedrock
Five GCSE retrieval questions · 22 May 2025 · mathsvault.uk/keystones
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1. Number
Calculate: -5 + (-2)
Answer: -7 -
2. Algebra
Find the next term: 13, 20, 27, 34, ...
Answer: 41 -
3. Geometry
Opposite = 15cm, hypotenuse = 21.2cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 8:14
Answer: 4:7 -
5. Statistics
Find the mean of: 9, 2, 5, 13, 17
Answer: 9.2