Keystones — Lintel
Five GCSE retrieval questions · 7 March 2023 · mathsvault.uk/keystones
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1. Number
What is the missing number: 68 + ? = 146
Answer: 78 -
2. Algebra
For y = 2x³ + 7, find y when x = 3
Answer: y = 61 -
3. Geometry
Opposite = 9cm, adjacent = 20cm. Calculate the angle
Answer: 24.2° -
4. Ratio
Calculate 13.2% of 678
Answer: 89.5 -
5. Statistics
A spinner has 4 red, 3 blue and 2 green sections. Probability of landing on red?
Answer: 4⁄9