Keystones — Capstone
Five GCSE retrieval questions · 27 October 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 114. What are the numbers?
Answer: 37, 38, and 39 -
2. Algebra
Simplify: 11x - 3x + 9y - 6y
Answer: 8x + 3y -
3. Geometry
Find c if a = 18cm and b = 14cm in a right triangle
Answer: 22.8cm -
4. Ratio
Calculate 39.9% of 742
Answer: 296.06 -
5. Statistics
A spinner has 6 red, 5 blue and 5 green sections. Probability of landing on red?
Answer: 3⁄8