Keystones — Cornerstone
Five GCSE retrieval questions · 8 March 2026 · mathsvault.uk/keystones
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1. Number
Find the total of 239, 276, and 115
Answer: 630 -
2. Algebra
What is the next term? 2, 4, 8, 16, ...
Answer: 32 -
3. Geometry
Opposite = 12cm, adjacent = 17cm. Calculate the angle
Answer: 35.2° -
4. Ratio
Find 85% of 308
Answer: 261.8 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2