Keystones — Cornerstone
Five GCSE retrieval questions · 24 February 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 53 + 55
Answer: 53 + 55 = 108 -
2. Algebra
Collect like terms: 6x + 8y + 7x + 8y
Answer: 13x + 16y -
3. Geometry
Calculate the distance between (7, 1) and (10, 5)
Answer: 5 -
4. Ratio
Simplify: 6:9:15
Answer: 2:3:5 -
5. Statistics
Find the mean of: 14, 9, 10, 16
Answer: 12.25