Keystones — Cornerstone
Five GCSE retrieval questions · 2 August 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 8 + (11) + (-1)
Answer: 18 -
2. Algebra
For y = x³, find y when x = 5
Answer: y = 125 -
3. Geometry
Calculate the distance between (10, 5) and (13, 9)
Answer: 5 -
4. Ratio
Simplify the ratio 16:32
Answer: 1:2 -
5. Statistics
Find the mean of: 3, 18, 9
Answer: 10