Keystones — Capstone
Five GCSE retrieval questions · 20 May 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 150. What are the numbers?
Answer: 49, 50, and 51 -
2. Algebra
Expand: 4(4x - 4)
Answer: 16x - 16 -
3. Geometry
Adjacent = 13cm, hypotenuse = 33cm. Find the angle
Answer: 66.8° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 3 blue and 4 green sections. Probability of landing on red?
Answer: 3⁄10