Keystones — Bedrock

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

1. Number

Calculate: ⁶⁄₈ + ¹⁄₈

Answer: ⁷⁄₈
2. Algebra

Simplify: 8x + 2x

Answer: 10x
3. Geometry

Opposite = 7cm, hypotenuse = 9.9cm. Find the angle

Answer: 45° (approximately)
4. Ratio

Calculate 10% of 119

Answer: 11.9
5. Statistics

Find the range of: 36, 33, 28, 29, 20

Answer: 16

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