Keystones — Lintel
Five GCSE retrieval questions · 19 November 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄2 + 2⁄4 + 1⁄3
Answer: 4⁄3 -
2. Algebra
Solve: 5x - 12 = 2x + 12
Answer: x = 8 -
3. Geometry
Opposite = 10cm, adjacent = 18cm. Calculate the angle
Answer: 29.1° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 5 blue and 4 green sections. Probability of landing on red?
Answer: 2⁄5