Keystones — Cornerstone
Five GCSE retrieval questions · 9 November 2021 · mathsvault.uk/keystones
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1. Number
Find the total of 131, 104, and 149
Answer: 384 -
2. Algebra
Solve: x + 5 = 9
Answer: x = 4 -
3. Geometry
Find the area of a circle with radius 6cm
Answer: 113.cm² -
4. Ratio
Simplify: 20:24:24
Answer: 5:6:6 -
5. Statistics
Calculate the mean of: 41, 6, 13, 27, 29, 49, 10
Answer: 25