Keystones — Capstone
Five GCSE retrieval questions · 15 December 2022 · 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
Expand: 8(7x - 5)
Answer: 56x - 40 -
3. Geometry
Adjacent = 12cm, hypotenuse = 21cm. Find the angle
Answer: 55.2° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
A spinner has 5 red, 4 blue and 4 green sections. Probability of landing on red?
Answer: 5⁄13