Keystones — Cornerstone
Five GCSE retrieval questions · 5 July 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 70 + 28
Answer: 70 + 28 = 98 -
2. Algebra
Expand: 5(2x + 2)
Answer: 10x + 10 -
3. Geometry
Calculate the area of a circle with diameter 12cm
Answer: 113.cm² -
4. Ratio
Simplify: 15:12:6
Answer: 5:4:2 -
5. Statistics
Calculate the range of: 49, 39, 79, 79, 79, 64
Answer: 40