Keystones — Capstone
Five GCSE retrieval questions · 3 October 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 105. What are the numbers?
Answer: 34, 35, and 36 -
2. Algebra
Factorise fully: 12x² + 14x
Answer: 2x(6x + 7) -
3. Geometry
Adjacent = 23cm, hypotenuse = 29cm. Find the angle
Answer: 37.5° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
A spinner has 2 red, 6 blue and 3 green sections. Probability of landing on red?
Answer: 2⁄11