Keystones — Cornerstone
Five GCSE retrieval questions · 28 August 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 69 + ? = 122
Answer: 53 -
2. Algebra
Solve: 4x = 60
Answer: x = 15 -
3. Geometry
Calculate the distance between (3, 9) and (6, 13)
Answer: 5 -
4. Ratio
Find 35% of 211
Answer: 73.85 -
5. Statistics
Calculate the mean of: 16, 12, 12, 22, 39, 40, 32, 46
Answer: 27.4