Keystones — Lintel
Five GCSE retrieval questions · 11 January 2023 · mathsvault.uk/keystones
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1. Number
What is the missing number: 89 + ? = 142
Answer: 53 -
2. Algebra
Solve: 3x = 33
Answer: x = 11 -
3. Geometry
Opposite = 10cm, adjacent = 13cm. Calculate the angle
Answer: 37.6° -
4. Ratio
Calculate 36.3% of 314
Answer: 113.98 -
5. Statistics
A spinner has 4 red, 2 blue and 6 green sections. Probability of landing on red?
Answer: 1⁄3