Keystones Lintel — 14 July 2021

Keystones — Lintel

Five GCSE retrieval questions · 14 July 2021 · mathsvault.uk/keystones

1. Number

Calculate: 997 + 821

Answer: 1818
2. Algebra

Solve: ^x⁄₇ = 3.8571428571429

Answer: x = 27
3. Geometry

Adjacent = 18cm, hypotenuse = 37cm. Find the angle

Answer: 60.9°
4. Ratio

Find 69% of 460

Answer: 317.4
5. Statistics

Find the range of: -13, 23, 47, -3, 23

Answer: 60

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