Keystones — Capstone
Five GCSE retrieval questions · 7 September 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 993 + 748
Answer: 1741 -
2. Algebra
Complete the square: x² + 3.2x
Answer: (x + 1.6)² - 2.56 -
3. Geometry
Adjacent = 13cm, hypotenuse = 18cm. Find the angle
Answer: 43.8° -
4. Ratio
Calculate 40.8% of 778
Answer: 317.42 -
5. Statistics
A spinner has 3 red, 4 blue and 6 green sections. Probability of landing on red?
Answer: 3⁄13