Keystones — Lintel
Five GCSE retrieval questions · 26 October 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 78 + ? = 116
Answer: 38 -
2. Algebra
Solve: 6x = 84
Answer: x = 14 -
3. Geometry
Adjacent = 21cm, hypotenuse = 37cm. Find the angle
Answer: 55.4° -
4. Ratio
Simplify: 12:6:12
Answer: 2:1:2 -
5. Statistics
Find the range of: -12, 29, -30, 3, 40
Answer: 70