Keystones — Cornerstone
Five GCSE retrieval questions · 24 January 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 781 + 913
Answer: 781 + 913 = 1694 -
2. Algebra
Solve: 8x = 24
Answer: x = 3 -
3. Geometry
Find the area of a circle with radius 9cm
Answer: 254.47cm² -
4. Ratio
Simplify the ratio 4:12
Answer: 1:3 -
5. Statistics
Find the range of: 12, 34, 26, 13, 18
Answer: 22