Keystones — Capstone
Five GCSE retrieval questions · 19 February 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 99. What are the numbers?
Answer: 32, 33, and 34 -
2. Algebra
Factorise fully: 8x² + 28x
Answer: 4x(2x + 7) -
3. Geometry
Adjacent = 29cm, hypotenuse = 37cm. Find the angle
Answer: 38.4° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 5 blue and 6 green sections. Probability of landing on red?
Answer: 6⁄17