Keystones — Lintel
Five GCSE retrieval questions · 27 April 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 990 + 791
Answer: 1781 -
2. Algebra
Solve: x⁄2 = 15
Answer: x = 30 -
3. Geometry
Opposite = 18cm, adjacent = 18cm. Calculate the angle
Answer: 45° -
4. Ratio
Calculate 35.6% of 719
Answer: 255.96 -
5. Statistics
A spinner has 4 red, 6 blue and 6 green sections. Probability of landing on red?
Answer: 1⁄4