Keystones — Cornerstone
Five GCSE retrieval questions · 4 August 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 5⁄7 + 1⁄7
Answer: 6⁄7 -
2. Algebra
For y = x³ + 10, calculate y when x = 3
Answer: y = 37 -
3. Geometry
Find the area of a circle with radius 8cm
Answer: 201.06cm² -
4. Ratio
Simplify: 24:20:8
Answer: 6:5:2 -
5. Statistics
Find the mean of: 11, 9, 8, 5, 14
Answer: 9.4