Keystones — Capstone
Five GCSE retrieval questions · 20 March 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 90. What are the numbers?
Answer: 29, 30, and 31 -
2. Algebra
Factorise fully: 25x² + 20x
Answer: 5x(5x + 4) -
3. Geometry
Adjacent = 20cm, hypotenuse = 36cm. Find the angle
Answer: 56.3° -
4. Ratio
Calculate 28.5% of 816
Answer: 232.56 -
5. Statistics
A spinner has 2 red, 6 blue and 5 green sections. Probability of landing on red?
Answer: 2⁄13