Keystones — Cornerstone
Five GCSE retrieval questions · 4 July 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 89 + 37
Answer: 89 + 37 = 126 -
2. Algebra
Find the next term: 24, 28, 32, 36, ...
Answer: 40 -
3. Geometry
Find the area of a right triangle with base 10cm and height 10cm
Answer: 50cm² -
4. Ratio
Simplify: 8:4:10
Answer: 4:2:5 -
5. Statistics
Find the range of: 18, 25, 39, 23, 43
Answer: 25