Keystones — Lintel

Five GCSE retrieval questions · 26 December 2023 · mathsvault.uk/keystones

1. Number

Calculate: 991 + 728

Answer: 1719
2. Algebra

Solve: ^x⁄₆ = 5.5

Answer: x = 33
3. Geometry

Calculate the area of a circle with diameter 13cm

Answer: 132.73cm²
4. Ratio

Simplify: 12:6:12

Answer: 2:1:2
5. Statistics

Find the range of: 9, -14, 5, 35, 4

Answer: 49

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