Keystones — Bedrock
Five GCSE retrieval questions · 11 January 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 5⁄12 + 4⁄12
Answer: 3⁄4 -
2. Algebra
Find the next term: 21, 28, 35, 42, ...
Answer: 49 -
3. Geometry
Opposite = 14cm, hypotenuse = 19.8cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 50% of 145
Answer: 72.5 -
5. Statistics
What is the probability of rolling a 5 on a fair die?
Answer: 1⁄6