Keystones — Cornerstone
Five GCSE retrieval questions · 10 August 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 62 + 34
Answer: 62 + 34 = 96 -
2. Algebra
Factorise: 28x + 12
Answer: 4(7x + 3) -
3. Geometry
Opposite = 11cm, hypotenuse = 12.7cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 4:8
Answer: 1:2 -
5. Statistics
What is the probability of rolling a 4 on a fair die?
Answer: 1⁄6