Keystones — Lintel
Five GCSE retrieval questions · 28 November 2022 · mathsvault.uk/keystones
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1. Number
Find the missing number: 1.15 + □ = 13.17
Answer: □ = 12.02 -
2. Algebra
Solve: 8x = 56
Answer: x = 7 -
3. Geometry
Opposite = 11cm, adjacent = 10cm. Calculate the angle
Answer: 47.7° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
Calculate the mean of: 48, 19, 11, 11, 15, 23, 25
Answer: 21.7