Keystones — Cornerstone
Five GCSE retrieval questions · 28 December 2021 · mathsvault.uk/keystones
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1. Number
What is the missing number: 84 + ? = 176
Answer: 92 -
2. Algebra
What is the next term? 6, 12, 24, 48, ...
Answer: 96 -
3. Geometry
Find the distance between (5, 1) and (9, 5)
Answer: 5.66 -
4. Ratio
Simplify the ratio 12:10
Answer: 6:5 -
5. Statistics
Calculate the mean of: 27, 42, 30, 16, 17, 5
Answer: 22.8