Keystones — Capstone
Five GCSE retrieval questions · 6 January 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 994 + 719
Answer: 1713 -
2. Algebra
Factorise fully: 20x² + 28x
Answer: 4x(5x + 7) -
3. Geometry
Adjacent = 25cm, hypotenuse = 45cm. Find the angle
Answer: 56.3° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
A spinner has 4 red, 3 blue and 3 green sections. Probability of landing on red?
Answer: 2⁄5