Keystones — Capstone

Five GCSE retrieval questions · 16 February 2025 · mathsvault.uk/keystones

1. Number

Calculate: ²⁄₃ + ⁴⁄₅ + ²⁄₅

Answer: ²⁸⁄₁₅
2. Algebra

Simplify: 10x - 7x + 6y - 4y

Answer: 3x + 2y
3. Geometry

Adjacent = 29cm, hypotenuse = 37cm. Find the angle

Answer: 38.4°
4. Ratio

Calculate 45.1% of 638

Answer: 287.74
5. Statistics

A spinner has 2 red, 5 blue and 4 green sections. Probability of landing on red?

Answer: ²⁄₁₁

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