Keystones Lintel — 31 October 2021

Keystones — Lintel

Five GCSE retrieval questions · 31 October 2021 · mathsvault.uk/keystones

1. Number

Find the total of 274, 107, and 79

Answer: 460
2. Algebra

Solve: ^x⁄₂ = 8

Answer: x = 16
3. Geometry

Opposite = 18cm, adjacent = 9cm. Calculate the angle

Answer: 63.4°
4. Ratio

Calculate 42% of 810

Answer: 340.2
5. Statistics

Find the range of: -28, -4, 7, 33, -9

Answer: 61

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