Keystones — Capstone
Five GCSE retrieval questions · 18 July 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 990 + 551
Answer: 1541 -
2. Algebra
Factorise fully: 25x² + 15x
Answer: 5x(5x + 3) -
3. Geometry
Adjacent = 30cm, hypotenuse = 40cm. Find the angle
Answer: 41.4° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A spinner has 2 red, 3 blue and 3 green sections. Probability of landing on red?
Answer: 1⁄4