Keystones — Capstone
Five GCSE retrieval questions · 23 November 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 123. What are the numbers?
Answer: 40, 41, and 42 -
2. Algebra
Solve: x⁄3 = 4.6666666666667
Answer: x = 14 -
3. Geometry
Adjacent = 20cm, hypotenuse = 40cm. Find the angle
Answer: 60° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
A spinner has 4 red, 2 blue and 4 green sections. Probability of landing on red?
Answer: 2⁄5