Keystones — Bedrock

Five GCSE retrieval questions · 15 September 2024 · mathsvault.uk/keystones

1. Number

Calculate: ⁴⁄₆ + ¹⁄₆

Answer: ⁵⁄₆
2. Algebra

Solve: x + 7 = 12

Answer: x = 5
3. Geometry

Opposite = 15cm, hypotenuse = 17.3cm. Find the angle

Answer: 60° (approximately)
4. Ratio

Simplify the ratio 21:24

Answer: 7:8
5. Statistics

Find the mean of: 9, 4, 3, 7, 20

Answer: 8.6

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