Keystones — Bedrock
Five GCSE retrieval questions · 8 November 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄5 + 1⁄5
Answer: 2⁄5 -
2. Algebra
Find the midpoint of (8, 5) and (16, 16)
Answer: (12, 10.5) -
3. Geometry
Opposite = 7cm, hypotenuse = 8.cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 6:21
Answer: 2:7 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2