Keystones — Capstone
Five GCSE retrieval questions · 27 June 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 138. What are the numbers?
Answer: 45, 46, and 47 -
2. Algebra
Factorise fully: 10x² + 12x
Answer: 2x(5x + 6) -
3. Geometry
Adjacent = 29cm, hypotenuse = 34cm. Find the angle
Answer: 31.5° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 3 blue and 4 green sections. Probability of landing on red?
Answer: 6⁄13