Keystones — Lintel

Five GCSE retrieval questions · 27 November 2024 · mathsvault.uk/keystones

1. Number

Add: ⁵⁄₇ + ⁵⁄₈

Answer: ⁷⁵⁄₅₆
2. Algebra

Solve: ^x⁄₆ = 6.5

Answer: x = 39
3. Geometry

Opposite = 15cm, adjacent = 8cm. Calculate the angle

Answer: 61.9°
4. Ratio

Simplify the ratio 4m:400cm

Answer: 1:100
5. Statistics

Calculate the mean of: 48, 19, 20, 48, 25, 38, 49, 32

Answer: 34.9

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