Keystones — Lintel

Five GCSE retrieval questions · 25 January 2023 · mathsvault.uk/keystones

1. Number

Calculate: 998 + 710

Answer: 1708
2. Algebra

Solve: ^x⁄₅ = 7.4

Answer: x = 37
3. Geometry

Adjacent = 24cm, hypotenuse = 38cm. Find the angle

Answer: 50.8°
4. Ratio

Calculate 43.5% of 652

Answer: 283.62
5. Statistics

Find the range of: 14, 42, 42, -11, 31

Answer: 53

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