Keystones — Bedrock
Five GCSE retrieval questions · 27 January 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 10 + (-9)
Answer: 1 -
2. Algebra
Simplify: 8x + 4x
Answer: 12x -
3. Geometry
Find the area of a circle with radius 9cm
Answer: 254.47cm² -
4. Ratio
Simplify the ratio 28:8
Answer: 7:2 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2