Keystones — Capstone
Five GCSE retrieval questions · 16 May 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 129. What are the numbers?
Answer: 42, 43, and 44 -
2. Algebra
Solve: x⁄7 = 2.2857142857143
Answer: x = 16 -
3. Geometry
Find the distance between (-8, -2) and (11, 6)
Answer: 20.62 -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
A spinner has 4 red, 3 blue and 4 green sections. Probability of landing on red?
Answer: 4⁄11