Keystones — Bedrock
Five GCSE retrieval questions · 8 August 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 3.3 + 3
Answer: 3.3 + 3 = 6.3 -
2. Algebra
Find the next term: 22, 32, 42, 52, ...
Answer: 62 -
3. Geometry
Opposite = 9cm, hypotenuse = 18cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
In ratio 3:2, the difference between shares is 15. What are the shares?
Answer: 45 and 30 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2