Keystones — Lintel
Five GCSE retrieval questions · 12 December 2023 · mathsvault.uk/keystones
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1. Number
What is the missing number: 34 + ? = 145
Answer: 111 -
2. Algebra
Solve: 2x = 30
Answer: x = 15 -
3. Geometry
Adjacent = 30cm, hypotenuse = 46cm. Find the angle
Answer: 49.3° -
4. Ratio
Simplify: 18:18:9
Answer: 2:2:1 -
5. Statistics
A spinner has 4 red, 3 blue and 5 green sections. Probability of landing on red?
Answer: 1⁄3