Keystones — Capstone
Five GCSE retrieval questions · 26 May 2023 · 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: 30x² + 25x
Answer: 5x(6x + 5) -
3. Geometry
Adjacent = 12cm, hypotenuse = 18cm. Find the angle
Answer: 48.2° -
4. Ratio
Calculate 45.6% of 813
Answer: 370.73 -
5. Statistics
A spinner has 6 red, 6 blue and 2 green sections. Probability of landing on red?
Answer: 3⁄7