Keystones — Lintel

Five GCSE retrieval questions · 18 May 2024 · mathsvault.uk/keystones

1. Number

Add: ⁵⁄₆ + ⁵⁄₈

Answer: ³⁵⁄₂₄
2. Algebra

Solve: ^x⁄₈ = 0.75

Answer: x = 6
3. Geometry

Opposite = 20cm, adjacent = 14cm. Calculate the angle

Answer: 55°
4. Ratio

Simplify the ratio 7m:700cm

Answer: 1:100
5. Statistics

A bag has 3 red and 8 blue balls. What is the probability of picking a red ball?

Answer: ³⁄₁₁

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