Keystones — Capstone
Five GCSE retrieval questions · 10 March 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 144. What are the numbers?
Answer: 47, 48, and 49 -
2. Algebra
Solve: x⁄8 = 1.875
Answer: x = 15 -
3. Geometry
Find the distance between (-3, -3) and (7, 3)
Answer: 11.66 -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A spinner has 4 red, 4 blue and 3 green sections. Probability of landing on red?
Answer: 4⁄11