Keystones — Capstone
Five GCSE retrieval questions · 17 March 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 126. What are the numbers?
Answer: 41, 42, and 43 -
2. Algebra
Solve: x⁄3 = 6.3333333333333
Answer: x = 19 -
3. Geometry
A right triangle has hypotenuse 10cm and one side 6cm. Find its area
Answer: 24cm² -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 3 blue and 4 green sections. Probability of landing on red?
Answer: 3⁄10