Keystones — Lintel

Five GCSE retrieval questions · 13 May 2024 · mathsvault.uk/keystones

1. Number

Calculate: 991 + 716

Answer: 1707
2. Algebra

Solve: ^x⁄₇ = 3.1428571428571

Answer: x = 22
3. Geometry

Adjacent = 12cm, hypotenuse = 24cm. Find the angle

Answer: 60°
4. Ratio

Find 22% of 421

Answer: 92.62
5. Statistics

A spinner has 5 red, 3 blue and 5 green sections. Probability of landing on red?

Answer: ⁵⁄₁₃

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