Keystones — Lintel

Five GCSE retrieval questions · 8 March 2023 · mathsvault.uk/keystones

1. Number

Add: ¹⁄₃ + ⁵⁄₆

Answer: ⁷⁄₆
2. Algebra

Solve: ^x⁄₆ = 2.5

Answer: x = 15
3. Geometry

Opposite = 17cm, adjacent = 14cm. Calculate the angle

Answer: 50.5°
4. Ratio

Calculate 31.7% of 458

Answer: 145.19
5. Statistics

Find the range of: 48, 30, -12, 24, 24

Answer: 60

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