Keystones — Cornerstone
Five GCSE retrieval questions · 13 November 2022 · mathsvault.uk/keystones
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1. Number
Find the total of 177, 105, and 91
Answer: 373 -
2. Algebra
Factorise: 18x + 21
Answer: 3(6x + 7) -
3. Geometry
Calculate the distance between (5, 3) and (8, 7)
Answer: 5 -
4. Ratio
Simplify the ratio 32:28
Answer: 8:7 -
5. Statistics
Find the mean of: 19, 6, 9
Answer: 11.333333333333