Keystones — Capstone
Five GCSE retrieval questions · 11 February 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄4 + 3⁄6 + 1⁄5
Answer: 19⁄20 -
2. Algebra
Complete the square: x² + 2x
Answer: (x + 1)² - 1 -
3. Geometry
Adjacent = 16cm, hypotenuse = 30cm. Find the angle
Answer: 57.8° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 3 blue and 5 green sections. Probability of landing on red?
Answer: 3⁄11