Keystones — Capstone
Five GCSE retrieval questions · 11 March 2022 · 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⁄8 = 2.875
Answer: x = 23 -
3. Geometry
Adjacent = 27cm, hypotenuse = 40cm. Find the angle
Answer: 47.5° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 5 blue and 4 green sections. Probability of landing on red?
Answer: 1⁄4