Keystones — Bedrock

Five GCSE retrieval questions · 5 January 2023 · mathsvault.uk/keystones

1. Number

Simplify: 2³ × 2⁵

Answer: 2⁸
2. Algebra

Find the next term: 29, 35, 41, 47, ...

Answer: 53
3. Geometry

Opposite = 14cm, hypotenuse = 16.2cm. Find the angle

Answer: 60° (approximately)
4. Ratio

Simplify the ratio 15:30

Answer: 1:2
5. Statistics

Find the mean of: 2, 16, 12

Answer: 10

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