Keystones — Capstone
Five GCSE retrieval questions · 1 December 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 132. What are the numbers?
Answer: 43, 44, and 45 -
2. Algebra
Factorise fully: 6x² + 10x
Answer: 2x(3x + 5) -
3. Geometry
Adjacent = 15cm, hypotenuse = 29cm. Find the angle
Answer: 58.9° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
A spinner has 5 red, 3 blue and 4 green sections. Probability of landing on red?
Answer: 5⁄12