Keystones — Lintel
Five GCSE retrieval questions · 5 April 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 80 + ? = 127
Answer: 47 -
2. Algebra
For y = 4x³ + 15, find y when x = 3
Answer: y = 123 -
3. Geometry
Opposite = 14cm, adjacent = 10cm. Calculate the angle
Answer: 54.5° -
4. Ratio
Calculate 24% of 714
Answer: 171.36 -
5. Statistics
A spinner has 3 red, 6 blue and 4 green sections. Probability of landing on red?
Answer: 3⁄13