Keystones — Cornerstone
Five GCSE retrieval questions · 22 September 2021 · mathsvault.uk/keystones
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1. Number
Calculate: -3 + 0
Answer: -3 -
2. Algebra
Solve: 3x = 33
Answer: x = 11 -
3. Geometry
Find the area of a circle with radius 3cm
Answer: 28.27cm² -
4. Ratio
Calculate 10% of 139
Answer: 13.9 -
5. Statistics
Find the range of: 31, 25, 20, 29, 29
Answer: 11