Keystones — Bedrock
Five GCSE retrieval questions · 23 December 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 7⁄9 + 1⁄9
Answer: 8⁄9 -
2. Algebra
Find the next term: 30, 39, 48, 57, ...
Answer: 66 -
3. Geometry
Opposite = 10cm, hypotenuse = 11.5cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
In ratio 4:3, the difference between shares is 29. What are the shares?
Answer: 116 and 87 -
5. Statistics
What is the probability of rolling a 2 on a fair die?
Answer: 1⁄6