Keystones — Capstone
Five GCSE retrieval questions · 29 January 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 126. What are the numbers?
Answer: 41, 42, and 43 -
2. Algebra
Factorise fully: 16x² + 20x
Answer: 4x(4x + 5) -
3. Geometry
Adjacent = 18cm, hypotenuse = 28cm. Find the angle
Answer: 50° -
4. Ratio
Calculate 23.8% of 732
Answer: 174.22 -
5. Statistics
A spinner has 5 red, 3 blue and 2 green sections. Probability of landing on red?
Answer: 1⁄2