Keystones — Capstone
Five GCSE retrieval questions · 13 August 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 102. What are the numbers?
Answer: 33, 34, and 35 -
2. Algebra
Factorise fully: 28x² + 20x
Answer: 4x(7x + 5) -
3. Geometry
Adjacent = 19cm, hypotenuse = 26cm. Find the angle
Answer: 43° -
4. Ratio
Calculate 28.6% of 990
Answer: 283.14 -
5. Statistics
A spinner has 4 red, 3 blue and 5 green sections. Probability of landing on red?
Answer: 1⁄3