Keystones — Bedrock
Five GCSE retrieval questions · 30 March 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 1.8 + 6.1
Answer: 1.8 + 6.1 = 7.9 -
2. Algebra
Find the next term: 27, 32, 37, 42, ...
Answer: 47 -
3. Geometry
Opposite = 8cm, hypotenuse = 16cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 25:10
Answer: 5:2 -
5. Statistics
What is the probability of rolling a 4 on a fair die?
Answer: 1⁄6