Keystones — Capstone
Five GCSE retrieval questions · 21 January 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 99. What are the numbers?
Answer: 32, 33, and 34 -
2. Algebra
Simplify: 9x - 4x + 8y - 3y
Answer: 5x + 5y -
3. Geometry
Adjacent = 23cm, hypotenuse = 39cm. Find the angle
Answer: 53.9° -
4. Ratio
Calculate 27.2% of 447
Answer: 121.58 -
5. Statistics
A spinner has 5 red, 3 blue and 5 green sections. Probability of landing on red?
Answer: 5⁄13