Keystones — Bedrock

Five GCSE retrieval questions · 21 March 2023 · mathsvault.uk/keystones

1. Number

Calculate: ²⁄₅ + ¹⁄₅

Answer: ³⁄₅
2. Algebra

Simplify: 6x + 8x

Answer: 14x
3. Geometry

Opposite = 7cm, hypotenuse = 9.9cm. Find the angle

Answer: 45° (approximately)
4. Ratio

Simplify the ratio 6:10

Answer: 3:5
5. Statistics

What is the probability of rolling a 2 on a fair die?

Answer: ¹⁄₆

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