Keystones — Capstone
Five GCSE retrieval questions · 15 October 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 96. What are the numbers?
Answer: 31, 32, and 33 -
2. Algebra
Factorise fully: 6x² + 9x
Answer: 3x(2x + 3) -
3. Geometry
Find c if a = 11cm and b = 17cm in a right triangle
Answer: 20.2cm -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A spinner has 2 red, 5 blue and 2 green sections. Probability of landing on red?
Answer: 2⁄9