Keystones — Cornerstone
Five GCSE retrieval questions · 13 January 2024 · mathsvault.uk/keystones
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1. Number
What is the missing number: 41 + ? = 122
Answer: 81 -
2. Algebra
Expand: 6(2x + 9)
Answer: 12x + 54 -
3. Geometry
Find the area of a circle with radius 7cm
Answer: 153.94cm² -
4. Ratio
Simplify the ratio 40:10
Answer: 4:1 -
5. Statistics
Find the mean of: 19, 7, 17
Answer: 14.333333333333