Keystones — Lintel
Five GCSE retrieval questions · 1 March 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 993 + 874
Answer: 1867 -
2. Algebra
Solve: 5x = 25
Answer: x = 5 -
3. Geometry
A right triangle has hypotenuse 10cm and one side 6cm. Find its area
Answer: 24cm² -
4. Ratio
Simplify: 12:12:24
Answer: 1:1:2 -
5. Statistics
A spinner has 3 red, 3 blue and 4 green sections. Probability of landing on red?
Answer: 3⁄10