Keystones — Capstone
Five GCSE retrieval questions · 24 October 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 117. What are the numbers?
Answer: 38, 39, and 40 -
2. Algebra
Factorise fully: 10x² + 4x
Answer: 2x(5x + 2) -
3. Geometry
Adjacent = 16cm, hypotenuse = 32cm. Find the angle
Answer: 60° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
A spinner has 2 red, 2 blue and 2 green sections. Probability of landing on red?
Answer: 1⁄3