Keystones — Bedrock
Five GCSE retrieval questions · 23 February 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 4⁄8 + 2⁄8
Answer: 3⁄4 -
2. Algebra
Factorise: 6x + 14
Answer: 2(3x + 7) -
3. Geometry
Find the area of a right triangle with base 9cm and height 5cm
Answer: 22.5cm² -
4. Ratio
Calculate 25% of 21
Answer: 5.25 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2