Keystones — Cornerstone
Five GCSE retrieval questions · 1 January 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 34 + ? = 108
Answer: 74 -
2. Algebra
For y = x³, find y when x = 3
Answer: y = 27 -
3. Geometry
Find the area of a circle with radius 7cm
Answer: 153.94cm² -
4. Ratio
Simplify: 12:18:6
Answer: 2:3:1 -
5. Statistics
Calculate the mean of: 13, 35, 41, 41, 30, 14
Answer: 29