Keystones — Capstone
Five GCSE retrieval questions · 27 September 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 90. What are the numbers?
Answer: 29, 30, and 31 -
2. Algebra
Solve: x⁄8 = 3.125
Answer: x = 25 -
3. Geometry
Adjacent = 25cm, hypotenuse = 41cm. Find the angle
Answer: 52.4° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
A spinner has 5 red, 2 blue and 3 green sections. Probability of landing on red?
Answer: 1⁄2