Keystones — Lintel
Five GCSE retrieval questions · 30 August 2021 · mathsvault.uk/keystones
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1. Number
What is the missing number: 43 + ? = 154
Answer: 111 -
2. Algebra
Solve: x⁄4 = 9
Answer: x = 36 -
3. Geometry
Opposite = 17cm, adjacent = 11cm. Calculate the angle
Answer: 57.1° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A spinner has 6 red, 4 blue and 6 green sections. Probability of landing on red?
Answer: 3⁄8