Keystones — Capstone
Five GCSE retrieval questions · 5 October 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄3 + 3⁄4 + 2⁄5
Answer: 89⁄60 -
2. Algebra
Complete the square: x² + 3.6x
Answer: (x + 1.8)² - 3.24 -
3. Geometry
Adjacent = 28cm, hypotenuse = 47cm. Find the angle
Answer: 53.4° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 6 blue and 4 green sections. Probability of landing on red?
Answer: 3⁄8