Keystones — Capstone
Five GCSE retrieval questions · 28 July 2021 · mathsvault.uk/keystones
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1. Number
Simplify: √8 + √18
Answer: 2√2 + 3√2 = 5√2 -
2. Algebra
Solve: x⁄5 = 5.8
Answer: x = 29 -
3. Geometry
Adjacent = 13cm, hypotenuse = 25cm. Find the angle
Answer: 58.7° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
A spinner has 2 red, 6 blue and 4 green sections. Probability of landing on red?
Answer: 1⁄6