Keystones — Capstone
Five GCSE retrieval questions · 14 December 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 147. What are the numbers?
Answer: 48, 49, and 50 -
2. Algebra
Factorise fully: 15x² + 9x
Answer: 3x(5x + 3) -
3. Geometry
Adjacent = 29cm, hypotenuse = 43cm. Find the angle
Answer: 47.6° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 5 blue and 6 green sections. Probability of landing on red?
Answer: 3⁄14