Keystones — Cornerstone
Five GCSE retrieval questions · 17 August 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 765 + 203
Answer: 765 + 203 = 968 -
2. Algebra
Solve: x + 8 = 20
Answer: x = 12 -
3. Geometry
Calculate the distance between (9, 9) and (12, 13)
Answer: 5 -
4. Ratio
Simplify the ratio 12:15
Answer: 4:5 -
5. Statistics
Find the mean of: 6, 2, 2
Answer: 3.3333333333333