Keystones — Capstone
Five GCSE retrieval questions · 19 June 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 138. What are the numbers?
Answer: 45, 46, and 47 -
2. Algebra
Solve: x⁄2 = 7.5
Answer: x = 15 -
3. Geometry
Adjacent = 19cm, hypotenuse = 34cm. Find the angle
Answer: 56° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A spinner has 5 red, 2 blue and 3 green sections. Probability of landing on red?
Answer: 1⁄2