Keystones — Cornerstone
Five GCSE retrieval questions · 21 March 2022 · mathsvault.uk/keystones
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1. Number
What is √36?
Answer: 6 -
2. Algebra
For y = x³ + 5, calculate y when x = 4
Answer: y = 69 -
3. Geometry
Calculate the area of a circle with diameter 17cm
Answer: 226.98cm² -
4. Ratio
Simplify: 4:8:6
Answer: 2:4:3 -
5. Statistics
Find the mean of: 17, 8, 6, 11, 12
Answer: 10.8