Keystones — Capstone
Five GCSE retrieval questions · 30 October 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄3 + 2⁄5 + 1⁄4
Answer: 59⁄60 -
2. Algebra
Complete the square: x² + 4.2x
Answer: (x + 2.1)² - 4.41 -
3. Geometry
Adjacent = 15cm, hypotenuse = 26cm. Find the angle
Answer: 54.8° -
4. Ratio
Calculate 34.7% of 733
Answer: 254.35 -
5. Statistics
A spinner has 2 red, 2 blue and 3 green sections. Probability of landing on red?
Answer: 2⁄7