Keystones — Capstone

Five GCSE retrieval questions · 28 December 2023 · mathsvault.uk/keystones

1. Number

0.00037

Answer: 3.7 × 10^-4
2. Algebra

Solve: ^x⁄₆ = 3.1666666666667

Answer: x = 19
3. Geometry

Adjacent = 17cm, hypotenuse = 23cm. Find the angle

Answer: 42.3°
4. Ratio

Simplify the ratio 2m:200cm

Answer: 1:100
5. Statistics

A spinner has 3 red, 3 blue and 2 green sections. Probability of landing on red?

Answer: ³⁄₈

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