Keystones — Cornerstone
Five GCSE retrieval questions · 18 April 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 84 + 26
Answer: 84 + 26 = 110 -
2. Algebra
What is the next term? 6, 18, 54, 162, ...
Answer: 486 -
3. Geometry
Opposite = 15cm, hypotenuse = 30cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Find 52% of 450
Answer: 234 -
5. Statistics
Find the mean of: 16, 9, 20, 2
Answer: 11.75