Keystones — Cornerstone
Five GCSE retrieval questions · 27 June 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 74 + 67
Answer: 74 + 67 = 141 -
2. Algebra
What is the next term? 6, 18, 54, 162, ...
Answer: 486 -
3. Geometry
Opposite = 13cm, adjacent = 11cm. Calculate the angle
Answer: 49.8° -
4. Ratio
Calculate 10% of 22
Answer: 2.2 -
5. Statistics
A bag has 4 red and 3 blue balls. What is the probability of picking a red ball?
Answer: 4⁄7