Keystones — Lintel

Five GCSE retrieval questions · 11 March 2023 · mathsvault.uk/keystones

1. Number

52000

Answer: 5.2 × 10⁴
2. Algebra

Solve: ^x⁄₈ = 4.625

Answer: x = 37
3. Geometry

Adjacent = 16cm, hypotenuse = 34cm. Find the angle

Answer: 61.9°
4. Ratio

Simplify the ratio 3m:300cm

Answer: 1:100
5. Statistics

Find the range of: 30, 23, 35, 17, -21

Answer: 56

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