Keystones — Bedrock
Five GCSE retrieval questions · 3 January 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 21 + 36
Answer: 21 + 36 = 57 -
2. Algebra
Find the midpoint of (6, 4) and (10, 15)
Answer: (8, 9.5) -
3. Geometry
Opposite = 13cm, hypotenuse = 26cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
In ratio 3:2, the difference between shares is 20. What are the shares?
Answer: 60 and 40 -
5. Statistics
What is the probability of rolling a 5 on a fair die?
Answer: 1⁄6