Keystones — Capstone
Five GCSE retrieval questions · 7 April 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 120. What are the numbers?
Answer: 39, 40, and 41 -
2. Algebra
Solve: x⁄4 = 7.5
Answer: x = 30 -
3. Geometry
Find the distance between (-3, -4) and (9, 5)
Answer: 15 -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A spinner has 4 red, 2 blue and 5 green sections. Probability of landing on red?
Answer: 4⁄11