Keystones — Lintel

Five GCSE retrieval questions · 24 March 2024 · mathsvault.uk/keystones

1. Number

Add: ¹⁄₃ + ³⁄₅

Answer: ¹⁴⁄₁₅
2. Algebra

What is the next term? 6, 24, 96, 384, ...

Answer: 1536
3. Geometry

Adjacent = 29cm, hypotenuse = 38cm. Find the angle

Answer: 40.3°
4. Ratio

Simplify the ratio 3m:300cm

Answer: 1:100
5. Statistics

Calculate the mean of: 18, 11, 19, 34, 40, 19, 31, 24

Answer: 24.5

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