Keystones — Cornerstone
Five GCSE retrieval questions · 5 March 2022 · mathsvault.uk/keystones
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1. Number
Calculate: -8 + 2
Answer: -6 -
2. Algebra
Solve: 9x = 81
Answer: x = 9 -
3. Geometry
Find the distance between (2, 1) and (7, 9)
Answer: 9.43 -
4. Ratio
Calculate 50% of 63
Answer: 31.5 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2