Keystones — Capstone
Five GCSE retrieval questions · 31 October 2023 · 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
Solve: x⁄5 = 3.8
Answer: x = 19 -
3. Geometry
Adjacent = 28cm, hypotenuse = 33cm. Find the angle
Answer: 32° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 3 blue and 6 green sections. Probability of landing on red?
Answer: 1⁄4