Keystones — Lintel
Five GCSE retrieval questions · 26 August 2022 · mathsvault.uk/keystones
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1. Number
Find the missing number: 3.63 + □ = 13.27
Answer: □ = 9.64 -
2. Algebra
Solve: x⁄3 = 5.3333333333333
Answer: x = 16 -
3. Geometry
Calculate the distance between (8, 8) and (11, 12)
Answer: 5 -
4. Ratio
Simplify: 16:20:16
Answer: 4:5:4 -
5. Statistics
Calculate the mean of: 29, 13, 20, 17, 26, 7
Answer: 18.7