Keystones — Bedrock
Five GCSE retrieval questions · 26 December 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 39 + 94
Answer: 39 + 94 = 133 -
2. Algebra
Find the next term: 17, 23, 29, 35, ...
Answer: 41 -
3. Geometry
Opposite = 14cm, hypotenuse = 28cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 6:18
Answer: 1:3 -
5. Statistics
Find the mean of: 9, 16, 9, 11, 14
Answer: 11.8