Keystones — Capstone
Five GCSE retrieval questions · 27 June 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 144. What are the numbers?
Answer: 47, 48, and 49 -
2. Algebra
Solve: x⁄4 = 2.5
Answer: x = 10 -
3. Geometry
Adjacent = 24cm, hypotenuse = 37cm. Find the angle
Answer: 49.6° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
A spinner has 4 red, 3 blue and 6 green sections. Probability of landing on red?
Answer: 4⁄13