Keystones — Capstone
Five GCSE retrieval questions · 23 September 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 108. What are the numbers?
Answer: 35, 36, and 37 -
2. Algebra
Expand: 2(7x - 9)
Answer: 14x - 18 -
3. Geometry
Adjacent = 14cm, hypotenuse = 21cm. Find the angle
Answer: 48.2° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
A spinner has 2 red, 5 blue and 4 green sections. Probability of landing on red?
Answer: 2⁄11