Keystones — Capstone
Five GCSE retrieval questions · 3 May 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 114. What are the numbers?
Answer: 37, 38, and 39 -
2. Algebra
Factorise fully: 15x² + 12x
Answer: 3x(5x + 4) -
3. Geometry
Adjacent = 22cm, hypotenuse = 30cm. Find the angle
Answer: 42.8° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
A spinner has 5 red, 2 blue and 2 green sections. Probability of landing on red?
Answer: 5⁄9