Keystones — Lintel
Five GCSE retrieval questions · 3 October 2021 · mathsvault.uk/keystones
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1. Number
What is the missing number: 51 + ? = 145
Answer: 94 -
2. Algebra
Solve: x⁄4 = 5.5
Answer: x = 22 -
3. Geometry
Opposite = 11cm, adjacent = 17cm. Calculate the angle
Answer: 32.9° -
4. Ratio
Find 27% of 342
Answer: 92.34 -
5. Statistics
A spinner has 4 red, 3 blue and 3 green sections. Probability of landing on red?
Answer: 2⁄5