Keystones — Cornerstone
Five GCSE retrieval questions · 22 March 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 49 + 47
Answer: 49 + 47 = 96 -
2. Algebra
Expand: 4(x + 4)
Answer: 4x + 16 -
3. Geometry
Opposite = 8cm, adjacent = 15cm. Calculate the angle
Answer: 28.1° -
4. Ratio
Simplify the ratio 24:12
Answer: 2:1 -
5. Statistics
Calculate the range of: 74, 57, 40, 97, 39, 78
Answer: 58