Keystones — Capstone
Five GCSE retrieval questions · 11 October 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 99. What are the numbers?
Answer: 32, 33, and 34 -
2. Algebra
Solve: x⁄8 = 2.75
Answer: x = 22 -
3. Geometry
Adjacent = 19cm, hypotenuse = 24cm. Find the angle
Answer: 37.7° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 5 blue and 2 green sections. Probability of landing on red?
Answer: 3⁄10