Keystones — Bedrock

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

1. Number

Simplify: 4⁴ × 4²

Answer: 4⁶
2. Algebra

Find the next term: 8, 18, 28, 38, ...

Answer: 48
3. Geometry

Opposite = 10cm, hypotenuse = 14.cm. Find the angle

Answer: 45° (approximately)
4. Ratio

Simplify the ratio 40:10

Answer: 4:1
5. Statistics

Find the range of: 29, 27, 18, 48, 25

Answer: 30

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