Keystones — Bedrock
Five GCSE retrieval questions · 10 June 2021 · mathsvault.uk/keystones
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1. Number
List the first 5 multiples of 9
Answer: 9, 18, 27, 36, 45 -
2. Algebra
Simplify: 9x + 9x
Answer: 18x -
3. Geometry
Opposite = 12cm, hypotenuse = 24cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2