Keystones — Bedrock
Five GCSE retrieval questions · 17 June 2021 · mathsvault.uk/keystones
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1. Number
Calculate: -7 + (-1)
Answer: -8 -
2. Algebra
Find the next term: 18, 23, 28, 33, ...
Answer: 38 -
3. Geometry
Opposite = 11cm, hypotenuse = 15.6cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 25:20
Answer: 5:4 -
5. Statistics
What is the probability of rolling a 5 on a fair die?
Answer: 1⁄6