Keystones — Capstone
Five GCSE retrieval questions · 29 December 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 111. What are the numbers?
Answer: 36, 37, and 38 -
2. Algebra
Complete the square: x² + 3.4x
Answer: (x + 1.7)² - 2.89 -
3. Geometry
Adjacent = 22cm, hypotenuse = 28cm. Find the angle
Answer: 38.2° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A spinner has 5 red, 6 blue and 6 green sections. Probability of landing on red?
Answer: 5⁄17