Keystones — Capstone
Five GCSE retrieval questions · 25 August 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 93. What are the numbers?
Answer: 30, 31, and 32 -
2. Algebra
Expand: 3(2x - 9)
Answer: 6x - 27 -
3. Geometry
Adjacent = 15cm, hypotenuse = 22cm. Find the angle
Answer: 47° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
A spinner has 5 red, 5 blue and 3 green sections. Probability of landing on red?
Answer: 5⁄13