Keystones Lintel — 15 May 2021

Keystones — Lintel

Five GCSE retrieval questions · 15 May 2021 · mathsvault.uk/keystones

1. Number

Add: 98.62 + 87.63

Answer: 98.62 + 87.63 = 186.25
2. Algebra

Solve: ^x⁄₄ = 4.75

Answer: x = 19
3. Geometry

Find the distance between (-1, -4) and (11, 4)

Answer: 14.42
4. Ratio

Simplify: 20:24:8

Answer: 5:6:2
5. Statistics

Calculate the mean of: 6, 24, 32, 9, 41, 45, 37, 41

Answer: 29.4

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