Keystones — Capstone
Five GCSE retrieval questions · 14 January 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 135. What are the numbers?
Answer: 44, 45, and 46 -
2. Algebra
Factorise fully: 20x² + 8x
Answer: 4x(5x + 2) -
3. Geometry
Adjacent = 13cm, hypotenuse = 33cm. Find the angle
Answer: 66.8° -
4. Ratio
Calculate 37.4% of 774
Answer: 289.48 -
5. Statistics
A spinner has 3 red, 6 blue and 2 green sections. Probability of landing on red?
Answer: 3⁄11