Keystones — Capstone
Five GCSE retrieval questions · 26 September 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄5 + 1⁄2 + 2⁄3
Answer: 41⁄30 -
2. Algebra
Complete the square: x² + 2.4x
Answer: (x + 1.2)² - 1.44 -
3. Geometry
Adjacent = 16cm, hypotenuse = 34cm. Find the angle
Answer: 61.9° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 4 blue and 3 green sections. Probability of landing on red?
Answer: 3⁄10