Keystones — Lintel
Five GCSE retrieval questions · 30 October 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 67 + ? = 168
Answer: 101 -
2. Algebra
Solve: 6x = 18
Answer: x = 3 -
3. Geometry
Calculate the distance between (4, 7) and (7, 11)
Answer: 5 -
4. Ratio
Simplify: 12:10:10
Answer: 6:5:5 -
5. Statistics
A spinner has 5 red, 2 blue and 4 green sections. Probability of landing on red?
Answer: 5⁄11