Keystones — Capstone
Five GCSE retrieval questions · 27 November 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 99. What are the numbers?
Answer: 32, 33, and 34 -
2. Algebra
Factorise fully: 14x² + 4x
Answer: 2x(7x + 2) -
3. Geometry
Adjacent = 19cm, hypotenuse = 27cm. Find the angle
Answer: 45.3° -
4. Ratio
Calculate 32.2% of 829
Answer: 266.94 -
5. Statistics
A spinner has 6 red, 3 blue and 3 green sections. Probability of landing on red?
Answer: 1⁄2