Keystones — Bedrock

Five GCSE retrieval questions · 8 April 2023 · mathsvault.uk/keystones

1. Number

Calculate: ²⁄₉ + ²⁄₉

Answer: ⁴⁄₉
2. Algebra

Solve: x + 9 = 15

Answer: x = 6
3. Geometry

Opposite = 11cm, hypotenuse = 15.6cm. Find the angle

Answer: 45° (approximately)
4. Ratio

Simplify the ratio 12:8

Answer: 3:2
5. Statistics

Find the range of: 40, 40, 38, 19, 18

Answer: 22

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