Keystones — Lintel
Five GCSE retrieval questions · 20 August 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 43 + ? = 154
Answer: 111 -
2. Algebra
Solve: 6x = 78
Answer: x = 13 -
3. Geometry
Adjacent = 19cm, hypotenuse = 32cm. Find the angle
Answer: 53.6° -
4. Ratio
Calculate 12.4% of 688
Answer: 85.31 -
5. Statistics
Calculate the mean of: 8, 14, 34, 5, 42, 8, 8
Answer: 17