Keystones — Lintel

Five GCSE retrieval questions · 12 March 2023 · mathsvault.uk/keystones

1. Number

Calculate: 996 + 540

Answer: 1536
2. Algebra

Solve: ^x⁄₄ = 2.25

Answer: x = 9
3. Geometry

Opposite = 17cm, adjacent = 12cm. Calculate the angle

Answer: 54.8°
4. Ratio

Simplify the ratio 2m:200cm

Answer: 1:100
5. Statistics

Find the range of: -13, 3, 22, 4, 0

Answer: 35

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