Keystones — Bedrock

Five GCSE retrieval questions · 7 March 2023 · mathsvault.uk/keystones

1. Number

Calculate: ⁴⁄₈ + ³⁄₈

Answer: ⁷⁄₈
2. Algebra

Simplify: 3x + 6x

Answer: 9x
3. Geometry

Opposite = 11cm, hypotenuse = 12.7cm. Find the angle

Answer: 60° (approximately)
4. Ratio

Simplify the ratio 16:8

Answer: 2:1
5. Statistics

Find the mean of: 16, 18, 12, 19, 11

Answer: 15.2

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