Keystones — Capstone
Five GCSE retrieval questions · 6 April 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄5 + 2⁄4 + 1⁄2
Answer: 6⁄5 -
2. Algebra
Find the next term: 1, 4, 10, 19, ...
Answer: 31 -
3. Geometry
Adjacent = 15cm, hypotenuse = 23cm. Find the angle
Answer: 49.3° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A spinner has 2 red, 4 blue and 6 green sections. Probability of landing on red?
Answer: 1⁄6