Keystones — Cornerstone
Five GCSE retrieval questions · 27 March 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 9.4 + 8.3
Answer: 9.4 + 8.3 = 17.7 -
2. Algebra
What is the next term? 2, 4, 8, 16, ...
Answer: 32 -
3. Geometry
Opposite = 10cm, adjacent = 10cm. Calculate the angle
Answer: 45° -
4. Ratio
Find 56% of 173
Answer: 96.88 -
5. Statistics
Calculate the mean of: 50, 49, 31, 14, 22, 23
Answer: 31.5