Keystones — Lintel

Five GCSE retrieval questions · 30 April 2022 · mathsvault.uk/keystones

1. Number

Find the total of 143, 211, and 73

Answer: 427
2. Algebra

Solve: ^x⁄₃ = 7.3333333333333

Answer: x = 22
3. Geometry

Opposite = 12cm, adjacent = 12cm. Calculate the angle

Answer: 45°
4. Ratio

Calculate 13.9% of 532

Answer: 73.95
5. Statistics

A bag has 5 red and 7 blue balls. What is the probability of picking a red ball?

Answer: ⁵⁄₁₂

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