Keystones — Bedrock

Five GCSE retrieval questions · 19 June 2023 · mathsvault.uk/keystones

1. Number

Calculate: ⁶⁄₁₀ + ²⁄₁₀

Answer: ⁴⁄₅
2. Algebra

Simplify: 2x + 6x

Answer: 8x
3. Geometry

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

Answer: 30° (approximately)
4. Ratio

Simplify the ratio 10:35

Answer: 2:7
5. Statistics

Find the mean of: 19, 13, 4, 4

Answer: 10

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