Keystones — Capstone
Five GCSE retrieval questions · 15 November 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 141. What are the numbers?
Answer: 46, 47, and 48 -
2. Algebra
Factorise fully: 35x² + 10x
Answer: 5x(7x + 2) -
3. Geometry
Adjacent = 28cm, hypotenuse = 34cm. Find the angle
Answer: 34.6° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 3 blue and 6 green sections. Probability of landing on red?
Answer: 1⁄4