Keystones — Capstone
Five GCSE retrieval questions · 15 December 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 993 + 647
Answer: 1640 -
2. Algebra
Factorise fully: 15x² + 15x
Answer: 5x(3x + 3) -
3. Geometry
A right triangle has hypotenuse 10cm and one side 6cm. Find its area
Answer: 24cm² -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
A spinner has 4 red, 3 blue and 2 green sections. Probability of landing on red?
Answer: 4⁄9