Keystones — Lintel

Five GCSE retrieval questions · 18 July 2023 · mathsvault.uk/keystones

1. Number

Calculate: 987 + 354

Answer: 987 + 354 = 1341
2. Algebra

Solve: ^x⁄₄ = 5.25

Answer: x = 21
3. Geometry

Adjacent = 28cm, hypotenuse = 38cm. Find the angle

Answer: 42.5°
4. Ratio

Simplify the ratio 7m:700cm

Answer: 1:100
5. Statistics

Calculate the mean of: 47, 13, 33, 17, 14, 16

Answer: 23.3

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