Keystones — Bedrock
Five GCSE retrieval questions · 7 October 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 7.7 + 9.6
Answer: 7.7 + 9.6 = 17.3 -
2. Algebra
Solve: x + 13 = 23
Answer: x = 10 -
3. Geometry
Opposite = 9cm, hypotenuse = 18cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
In ratio 5:3, the difference between shares is 54. What are the shares?
Answer: 135 and 81 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2