Keystones — Lintel
Five GCSE retrieval questions · 15 April 2021 · mathsvault.uk/keystones
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1. Number
What is the missing number: 90 + ? = 162
Answer: 72 -
2. Algebra
Collect like terms: 8x + 5y + 8x + 3y
Answer: 16x + 8y -
3. Geometry
Adjacent = 29cm, hypotenuse = 47cm. Find the angle
Answer: 51.9° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
Calculate the mean of: 9, 15, 15, 16, 48, 9, 43, 49
Answer: 25.5