Keystones — Bedrock

Five GCSE retrieval questions · 19 September 2024 · mathsvault.uk/keystones

1. Number

Calculate: ²⁄₁₀ + ²⁄₁₀

Answer: ²⁄₅
2. Algebra

Solve: x + 4 = 23

Answer: x = 19
3. Geometry

Opposite = 9cm, hypotenuse = 10.4cm. Find the angle

Answer: 60° (approximately)
4. Ratio

Simplify the ratio 20:35

Answer: 4:7
5. Statistics

What is the probability of rolling a 1 on a fair die?

Answer: ¹⁄₆

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