Keystones — Lintel

Five GCSE retrieval questions · 25 February 2022 · mathsvault.uk/keystones

1. Number

Find the total of 225, 152, and 141

Answer: 518
2. Algebra

Solve: ^x⁄₈ = 3.125

Answer: x = 25
3. Geometry

Opposite = 14cm, adjacent = 19cm. Calculate the angle

Answer: 36.4°
4. Ratio

Simplify: 10:10:6

Answer: 5:5:3
5. Statistics

Find the range of: 1, 32, 31, 4, -25

Answer: 57

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