Keystones — Lintel

Five GCSE retrieval questions · 4 March 2022 · mathsvault.uk/keystones

1. Number

Add: ⁴⁄₆ + ³⁄₈

Answer: ²⁵⁄₂₄
2. Algebra

Solve: ^x⁄₈ = 2.25

Answer: x = 18
3. Geometry

Adjacent = 15cm, hypotenuse = 34cm. Find the angle

Answer: 63.8°
4. Ratio

Simplify the ratio 6m:600cm

Answer: 1:100
5. Statistics

Find the range of: -23, 27, -23, 33, -17

Answer: 56

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