Keystones — Cornerstone
Five GCSE retrieval questions · 12 March 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 2 × 3²
Answer: 18 -
2. Algebra
What is the next term? 3, 9, 27, 81, ...
Answer: 243 -
3. Geometry
Find the distance between (2, 1) and (5, 7)
Answer: 6.71 -
4. Ratio
Simplify the ratio 8:24
Answer: 1:3 -
5. Statistics
A bag has 4 red and 7 blue balls. What is the probability of picking a red ball?
Answer: 4⁄11