Keystones — Cornerstone
Five GCSE retrieval questions · 20 March 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 71 + 47
Answer: 71 + 47 = 118 -
2. Algebra
Solve: x + 14 = 29
Answer: x = 15 -
3. Geometry
Calculate the distance between (7, 5) and (10, 9)
Answer: 5 -
4. Ratio
Simplify the ratio 6:9
Answer: 2:3 -
5. Statistics
Find the range of: 14, 16, 26, 41, 43
Answer: 29