Keystones — Bedrock
Five GCSE retrieval questions · 20 September 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 39 + 23
Answer: 39 + 23 = 62 -
2. Algebra
Solve: x + 8 = 26
Answer: x = 18 -
3. Geometry
Find the area of a right triangle with base 10cm and height 9cm
Answer: 45cm² -
4. Ratio
Simplify the ratio 25:20
Answer: 5:4 -
5. Statistics
Find the range of: 17, 42, 20, 15, 30
Answer: 27