Keystones — Capstone
Five GCSE retrieval questions · 12 March 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 998 + 669
Answer: 1667 -
2. Algebra
Solve: x⁄5 = 3.6
Answer: x = 18 -
3. Geometry
Find c if a = 18cm and b = 23cm in a right triangle
Answer: 29.2cm -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
A spinner has 5 red, 4 blue and 2 green sections. Probability of landing on red?
Answer: 5⁄11