Keystones — Capstone
Five GCSE retrieval questions · 30 May 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 147. What are the numbers?
Answer: 48, 49, and 50 -
2. Algebra
Solve: x⁄2 = 17.5
Answer: x = 35 -
3. Geometry
Find the distance between (-4, -3) and (7, 7)
Answer: 14.87 -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
A spinner has 5 red, 2 blue and 3 green sections. Probability of landing on red?
Answer: 1⁄2