Keystones — Cornerstone

Five GCSE retrieval questions · 9 September 2024 · mathsvault.uk/keystones

1. Number

Simplify: 2² × 2⁵

Answer: 2⁷
2. Algebra

Find the next term: 8, 14, 20, 26, ...

Answer: 32
3. Geometry

Opposite = 5cm, hypotenuse = 10cm. Find the angle

Answer: 30° (approximately)
4. Ratio

Simplify the ratio 32:24

Answer: 4:3
5. Statistics

Calculate the mean of: 35, 13, 10, 48, 35, 11

Answer: 25.3

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