Keystones — Cornerstone
Five GCSE retrieval questions · 9 December 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 93 + 92
Answer: 93 + 92 = 185 -
2. Algebra
Simplify: 8x + 4x
Answer: 12x -
3. Geometry
Find the area of a circle with radius 5cm
Answer: 78.54cm² -
4. Ratio
Simplify: 15:12:12
Answer: 5:4:4 -
5. Statistics
Find the mean of: 16, 12, 2, 15, 4
Answer: 9.8