Keystones — Bedrock

Five GCSE retrieval questions · 30 June 2024 · mathsvault.uk/keystones

1. Number

Calculate: ¹⁄₅ + ³⁄₅

Answer: ⁴⁄₅
2. Algebra

Simplify: 8x + 4x

Answer: 12x
3. Geometry

Opposite = 8cm, hypotenuse = 16cm. Find the angle

Answer: 30° (approximately)
4. Ratio

Simplify the ratio 25:15

Answer: 5:3
5. Statistics

Find the median of: 20, 7, 20, 15, 9

Answer: 15

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