Keystones — Cornerstone
Five GCSE retrieval questions · 22 April 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 23 + 65
Answer: 23 + 65 = 88 -
2. Algebra
Solve: x + 6 = 14
Answer: x = 8 -
3. Geometry
Find the area of a circle with radius 9cm
Answer: 254.47cm² -
4. Ratio
Simplify: 16:20:16
Answer: 4:5:4 -
5. Statistics
Calculate the range of: 35, 79, 91, 91, 40, 54
Answer: 56