Keystones — Capstone
Five GCSE retrieval questions · 9 December 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 993 + 661
Answer: 1654 -
2. Algebra
Complete the square: x² + 4.2x
Answer: (x + 2.1)² - 4.41 -
3. Geometry
Adjacent = 30cm, hypotenuse = 38cm. Find the angle
Answer: 37.9° -
4. Ratio
Calculate 17.1% of 366
Answer: 62.59 -
5. Statistics
A spinner has 6 red, 2 blue and 3 green sections. Probability of landing on red?
Answer: 6⁄11