Keystones — Capstone
Five GCSE retrieval questions · 6 February 2025 · mathsvault.uk/keystones
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1. Number
Simplify: y3 × y4 × y5
Answer: y12 -
2. Algebra
Simplify: 7x - 5x + 5y - 4y
Answer: 2x + y -
3. Geometry
Adjacent = 15cm, hypotenuse = 20cm. Find the angle
Answer: 41.4° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 2 blue and 4 green sections. Probability of landing on red?
Answer: 1⁄2