Keystones — Bedrock

Five GCSE retrieval questions · 23 April 2022 · mathsvault.uk/keystones

1. Number

Calculate: ⁷⁄₁₀ + ¹⁄₁₀

Answer: ⁴⁄₅
2. Algebra

Simplify: 8x + 5x

Answer: 13x
3. Geometry

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

Answer: 30° (approximately)
4. Ratio

Calculate 25% of 113

Answer: 28.25
5. Statistics

Find the mean of: 18, 17, 3, 3

Answer: 10.25

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