Keystones — Capstone

Five GCSE retrieval questions · 29 October 2022 · mathsvault.uk/keystones

1. Number

Calculate: ⁴⁄₆ + ²⁄₅ + ⁴⁄₆

Answer: ²⁶⁄₁₅
2. Algebra

Factorise fully: 21x² + 15x

Answer: 3x(7x + 5)
3. Geometry

Adjacent = 29cm, hypotenuse = 49cm. Find the angle

Answer: 53.7°
4. Ratio

Simplify the ratio 5m:500cm

Answer: 1:100
5. Statistics

A spinner has 3 red, 4 blue and 6 green sections. Probability of landing on red?

Answer: ³⁄₁₃

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