Keystones — Lintel

Five GCSE retrieval questions · 29 December 2022 · mathsvault.uk/keystones

1. Number

Simplify: x⁵ × x⁷

Answer: x¹²
2. Algebra

Solve: ^x⁄₈ = 2.875

Answer: x = 23
3. Geometry

Opposite = 17cm, adjacent = 18cm. Calculate the angle

Answer: 43.4°
4. Ratio

Find 48% of 496

Answer: 238.08
5. Statistics

Find the range of: 1, -10, 14, 6, 27

Answer: 37

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