Keystones — Bedrock
Five GCSE retrieval questions · 20 March 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 12 × 9
Answer: 12 × 9 = 108 -
2. Algebra
Simplify: 3x + 3x
Answer: 6x -
3. Geometry
Opposite = 11cm, hypotenuse = 12.7cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
In ratio 4:3, the difference between shares is 22. What are the shares?
Answer: 88 and 66 -
5. Statistics
What is the probability of rolling a 4 on a fair die?
Answer: 1⁄6