Keystones — Capstone
Five GCSE retrieval questions · 22 January 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
Expand: 3(2x - 7)
Answer: 6x - 21 -
3. Geometry
Adjacent = 29cm, hypotenuse = 41cm. Find the angle
Answer: 45° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A spinner has 4 red, 6 blue and 6 green sections. Probability of landing on red?
Answer: 1⁄4