Keystones — Capstone
Five GCSE retrieval questions · 22 July 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 990 + 861
Answer: 1851 -
2. Algebra
Complete the square: x² + 4x
Answer: (x + 2)² - 4 -
3. Geometry
Adjacent = 20cm, hypotenuse = 34cm. Find the angle
Answer: 54° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 2 blue and 2 green sections. Probability of landing on red?
Answer: 3⁄5