Keystones — Cornerstone
Five GCSE retrieval questions · 8 November 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 60 + 59
Answer: 60 + 59 = 119 -
2. Algebra
Factorise: 8x² + 3x
Answer: x(8x + 3) -
3. Geometry
Calculate the distance between (1, 4) and (4, 8)
Answer: 5 -
4. Ratio
Simplify: 6:12:4
Answer: 3:6:2 -
5. Statistics
Find the mean of: 10, 16, 14
Answer: 13.333333333333