Keystones Lintel — 26 April 2021

Keystones — Lintel

Five GCSE retrieval questions · 26 April 2021 · mathsvault.uk/keystones

1. Number

Calculate: 992 + 502

Answer: 1494
2. Algebra

Solve: ^x⁄₅ = 7.4

Answer: x = 37
3. Geometry

Opposite = 18cm, adjacent = 16cm. Calculate the angle

Answer: 48.4°
4. Ratio

Find 85% of 255

Answer: 216.75
5. Statistics

Find the range of: -25, -3, 45, 8, 19

Answer: 70

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