Keystones — Cornerstone
Five GCSE retrieval questions · 27 April 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 884 + 634
Answer: 884 + 634 = 1518 -
2. Algebra
Solve: x + 13 = 23
Answer: x = 10 -
3. Geometry
Opposite = 14cm, adjacent = 19cm. Calculate the angle
Answer: 36.4° -
4. Ratio
Find 60% of 98
Answer: 58.8 -
5. Statistics
What is the probability of rolling a 2 on a fair die?
Answer: 1⁄6