Keystones — Capstone
Five GCSE retrieval questions · 3 January 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
Simplify: 10x - 7x + 4y - 2y
Answer: 3x + 2y -
3. Geometry
Adjacent = 15cm, hypotenuse = 28cm. Find the angle
Answer: 57.6° -
4. Ratio
Calculate 20.9% of 686
Answer: 143.37 -
5. Statistics
A spinner has 2 red, 3 blue and 6 green sections. Probability of landing on red?
Answer: 2⁄11