Keystones — Cornerstone
Five GCSE retrieval questions · 6 November 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 39 + 88
Answer: 39 + 88 = 127 -
2. Algebra
Solve: x + 6 = 20
Answer: x = 14 -
3. Geometry
Calculate the distance between (8, 8) and (11, 12)
Answer: 5 -
4. Ratio
Simplify the ratio 30:40
Answer: 3:4 -
5. Statistics
What is the probability of rolling a 1 on a fair die?
Answer: 1⁄6