Keystones — Bedrock

Five GCSE retrieval questions · 1 January 2024 · mathsvault.uk/keystones

1. Number

Calculate: ⁷⁄₉ + ¹⁄₉

Answer: ⁸⁄₉
2. Algebra

Find the midpoint of (8, 7) and (11, 12)

Answer: (9.5, 9.5)
3. Geometry

Opposite = 6cm, hypotenuse = 6.9cm. Find the angle

Answer: 60° (approximately)
4. Ratio

Simplify the ratio 15:10

Answer: 3:2
5. Statistics

Find the mean of: 17, 9, 13

Answer: 13

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