Keystones — Bedrock
Five GCSE retrieval questions · 31 July 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 33 + 40
Answer: 33 + 40 = 73 -
2. Algebra
Find the midpoint of (3, 8) and (14, 12)
Answer: (8.5, 10) -
3. Geometry
Opposite = 15cm, hypotenuse = 17.3cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2