Keystones — Lintel
Five GCSE retrieval questions · 27 March 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 994 + 705
Answer: 1699 -
2. Algebra
Solve: 2x = 14
Answer: x = 7 -
3. Geometry
A right triangle has hypotenuse 17cm and one side 8cm. Find its area
Answer: 60cm² -
4. Ratio
Simplify: 20:24:16
Answer: 5:6:4 -
5. Statistics
A spinner has 2 red, 4 blue and 2 green sections. Probability of landing on red?
Answer: 1⁄4