Keystones — Lintel

Five GCSE retrieval questions · 7 January 2024 · mathsvault.uk/keystones

1. Number

Simplify: x⁵ × x⁴

Answer: x⁹
2. Algebra

Expand: 8(5x - 6)

Answer: 40x - 48
3. Geometry

Adjacent = 16cm, hypotenuse = 36cm. Find the angle

Answer: 63.6°
4. Ratio

Calculate 28.4% of 392

Answer: 111.33
5. Statistics

Find the range of: 14, -4, 41, -18, -6

Answer: 59

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