Keystones — Capstone
Five GCSE retrieval questions · 2 October 2021 · 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: 5x - 3x + 10y - 4y
Answer: 2x + 6y -
3. Geometry
Adjacent = 24cm, hypotenuse = 36cm. Find the angle
Answer: 48.2° -
4. Ratio
Calculate 48.2% of 970
Answer: 467.54 -
5. Statistics
A spinner has 3 red, 6 blue and 2 green sections. Probability of landing on red?
Answer: 3⁄11