Keystones — Cornerstone
Five GCSE retrieval questions · 2 June 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 73 + 72
Answer: 73 + 72 = 145 -
2. Algebra
What is the next term? 3, 9, 27, 81, ...
Answer: 243 -
3. Geometry
Calculate the area of a circle with diameter 23cm
Answer: 415.48cm² -
4. Ratio
Simplify: 6:15:15
Answer: 2:5:5 -
5. Statistics
What is the probability of rolling a 5 on a fair die?
Answer: 1⁄6