Keystones — Lintel
Five GCSE retrieval questions · 26 January 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 992 + 602
Answer: 1594 -
2. Algebra
Factorise: 4x² + 7x
Answer: x(4x + 7) -
3. Geometry
Opposite = 10cm, adjacent = 16cm. Calculate the angle
Answer: 32° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 2 blue and 2 green sections. Probability of landing on red?
Answer: 3⁄5