Keystones — Capstone
Five GCSE retrieval questions · 2 March 2025 · 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 = 2.125
Answer: x = 17 -
3. Geometry
Adjacent = 22cm, hypotenuse = 40cm. Find the angle
Answer: 56.6° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
A spinner has 4 red, 6 blue and 3 green sections. Probability of landing on red?
Answer: 4⁄13