Keystones — Bedrock
Five GCSE retrieval questions · 8 December 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 80 + 51
Answer: 80 + 51 = 131 -
2. Algebra
Factorise: 35x + 10
Answer: 5(7x + 2) -
3. Geometry
Find the area of a circle with radius 9cm
Answer: 254.47cm² -
4. Ratio
Simplify the ratio 15:18
Answer: 5:6 -
5. Statistics
What is the probability of rolling a 3 on a fair die?
Answer: 1⁄6