Keystones — Capstone
Five GCSE retrieval questions · 12 March 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 132. What are the numbers?
Answer: 43, 44, and 45 -
2. Algebra
Factorise fully: 25x² + 20x
Answer: 5x(5x + 4) -
3. Geometry
Adjacent = 23cm, hypotenuse = 28cm. Find the angle
Answer: 34.8° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 2 blue and 5 green sections. Probability of landing on red?
Answer: 6⁄13