Keystones — Capstone
Five GCSE retrieval questions · 17 September 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄3 + 2⁄3 + 1⁄2
Answer: 3⁄2 -
2. Algebra
Complete the square: x² + 4x
Answer: (x + 2)² - 4 -
3. Geometry
Adjacent = 24cm, hypotenuse = 39cm. Find the angle
Answer: 52° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 4 blue and 5 green sections. Probability of landing on red?
Answer: 2⁄5