Keystones — Cornerstone
Five GCSE retrieval questions · 29 August 2024 · mathsvault.uk/keystones
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1. Number
What is the missing number: 92 + ? = 129
Answer: 37 -
2. Algebra
Collect like terms: 2x + 5y + 2x + 6y
Answer: 4x + 11y -
3. Geometry
Find the area of a circle with radius 7cm
Answer: 153.94cm² -
4. Ratio
Simplify: 18:6:9
Answer: 6:2:3 -
5. Statistics
Find the mean of: 17, 20, 12
Answer: 16.333333333333