Keystones — Cornerstone
Five GCSE retrieval questions · 30 December 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 75 + 81
Answer: 75 + 81 = 156 -
2. Algebra
Solve: x + 5 = 23
Answer: x = 18 -
3. Geometry
Calculate the distance between (5, 5) and (8, 9)
Answer: 5 -
4. Ratio
Simplify: 6:15:6
Answer: 2:5:2 -
5. Statistics
Calculate the range of: 37, 63, 56, 56, 61, 31
Answer: 32