Keystones — Lintel

Five GCSE retrieval questions · 9 July 2024 · mathsvault.uk/keystones

1. Number

Add: ³⁄₅ + ³⁄₈

Answer: ³⁹⁄₄₀
2. Algebra

What is the next term? 5, 15, 45, 135, ...

Answer: 405
3. Geometry

Opposite = 11cm, adjacent = 8cm. Calculate the angle

Answer: 54°
4. Ratio

Simplify: 16:8:12

Answer: 4:2:3
5. Statistics

Find the range of: 20, -4, 20, -20, 10

Answer: 40

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