Keystones — Capstone
Five GCSE retrieval questions · 27 September 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 138. What are the numbers?
Answer: 45, 46, and 47 -
2. Algebra
Factorise fully: 6x² + 12x
Answer: 2x(3x + 6) -
3. Geometry
Adjacent = 28cm, hypotenuse = 46cm. Find the angle
Answer: 52.5° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A spinner has 2 red, 5 blue and 5 green sections. Probability of landing on red?
Answer: 1⁄6