Keystones — Capstone
Five GCSE retrieval questions · 5 August 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 141. What are the numbers?
Answer: 46, 47, and 48 -
2. Algebra
Factorise fully: 8x² + 20x
Answer: 4x(2x + 5) -
3. Geometry
Adjacent = 14cm, hypotenuse = 31cm. Find the angle
Answer: 63.2° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 3 blue and 6 green sections. Probability of landing on red?
Answer: 2⁄5