Keystones — Capstone
Five GCSE retrieval questions · 1 April 2021 · mathsvault.uk/keystones
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1. Number
Simplify: √8 + √18
Answer: 2√2 + 3√2 = 5√2 -
2. Algebra
Solve: x⁄3 = 6.3333333333333
Answer: x = 19 -
3. Geometry
Adjacent = 19cm, hypotenuse = 32cm. Find the angle
Answer: 53.6° -
4. Ratio
Calculate 37.8% of 587
Answer: 221.89 -
5. Statistics
A spinner has 4 red, 6 blue and 5 green sections. Probability of landing on red?
Answer: 4⁄15