Keystones — Cornerstone
Five GCSE retrieval questions · 6 July 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 6 × 2
Answer: 6 × 2 = 12 -
2. Algebra
Solve: 2x = 24
Answer: x = 12 -
3. Geometry
Find the perimeter of a right triangle with sides 6cm, 8cm, 10cm
Answer: 24cm -
4. Ratio
Find 23% of 323
Answer: 74.29 -
5. Statistics
Calculate the range of: 34, 46, 40, 31, 62, 41
Answer: 31