Keystones — Capstone
Five GCSE retrieval questions · 4 November 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 129. What are the numbers?
Answer: 42, 43, and 44 -
2. Algebra
Simplify: 9x - 5x + 3y - 2y
Answer: 4x + y -
3. Geometry
Adjacent = 23cm, hypotenuse = 34cm. Find the angle
Answer: 47.4° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 2 blue and 5 green sections. Probability of landing on red?
Answer: 6⁄13