Keystones — Cornerstone
Five GCSE retrieval questions · 29 May 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 25 + 28
Answer: 25 + 28 = 53 -
2. Algebra
Solve: x + 5 = 21
Answer: x = 16 -
3. Geometry
Calculate the area of a circle with diameter 12cm
Answer: 113.cm² -
4. Ratio
Simplify: 15:6:15
Answer: 5:2:5 -
5. Statistics
Find the range of: 24, 19, 21, 15, 14
Answer: 10