Keystones — Capstone
Five GCSE retrieval questions · 17 June 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 150. What are the numbers?
Answer: 49, 50, and 51 -
2. Algebra
Factorise fully: 24x² + 28x
Answer: 4x(6x + 7) -
3. Geometry
Adjacent = 17cm, hypotenuse = 24cm. Find the angle
Answer: 44.9° -
4. Ratio
Calculate 25.2% of 479
Answer: 120.71 -
5. Statistics
A spinner has 2 red, 3 blue and 5 green sections. Probability of landing on red?
Answer: 1⁄5