Keystones — Capstone
Five GCSE retrieval questions · 31 October 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄5 + 2⁄4 + 2⁄6
Answer: 31⁄30 -
2. Algebra
Factorise fully: 24x² + 28x
Answer: 4x(6x + 7) -
3. Geometry
Adjacent = 21cm, hypotenuse = 34cm. Find the angle
Answer: 51.9° -
4. Ratio
Calculate 14.5% of 450
Answer: 65.25 -
5. Statistics
A spinner has 5 red, 5 blue and 6 green sections. Probability of landing on red?
Answer: 5⁄16