Keystones — Capstone
Five GCSE retrieval questions · 19 April 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 108. What are the numbers?
Answer: 35, 36, and 37 -
2. Algebra
Complete the square: x² + 6x
Answer: (x + 3)² - 9 -
3. Geometry
Adjacent = 19cm, hypotenuse = 27cm. Find the angle
Answer: 45.3° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 2 blue and 5 green sections. Probability of landing on red?
Answer: 3⁄10