Keystones — Capstone
Five GCSE retrieval questions · 5 May 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 114. What are the numbers?
Answer: 37, 38, and 39 -
2. Algebra
Factorise fully: 20x² + 35x
Answer: 5x(4x + 7) -
3. Geometry
Adjacent = 15cm, hypotenuse = 27cm. Find the angle
Answer: 56.3° -
4. Ratio
Calculate 25.1% of 250
Answer: 62.75 -
5. Statistics
A spinner has 5 red, 6 blue and 5 green sections. Probability of landing on red?
Answer: 5⁄16