Keystones — Bedrock
Five GCSE retrieval questions · 8 April 2026 · mathsvault.uk/keystones
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1. Number
Round 59 to the nearest 10
Answer: 60 -
2. Algebra
Factorise: 8x + 14
Answer: 2(4x + 7) -
3. Geometry
Find the area of a right triangle with base 4cm and height 9cm
Answer: 18cm² -
4. Ratio
Simplify the ratio 21:18
Answer: 7:6 -
5. Statistics
Find the mean of: 18, 17, 9, 18
Answer: 15.5