Keystones — Capstone
Five GCSE retrieval questions · 26 April 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 135. What are the numbers?
Answer: 44, 45, and 46 -
2. Algebra
Factorise fully: 6x² + 9x
Answer: 3x(2x + 3) -
3. Geometry
A right triangle has hypotenuse 5cm and one side 3cm. Find its area
Answer: 6cm² -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 3 blue and 3 green sections. Probability of landing on red?
Answer: 1⁄3