Keystones — Lintel
Five GCSE retrieval questions · 8 July 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 40 + ? = 193
Answer: 153 -
2. Algebra
Solve: 4x = 44
Answer: x = 11 -
3. Geometry
Adjacent = 18cm, hypotenuse = 33cm. Find the angle
Answer: 56.9° -
4. Ratio
Simplify: 9:6:6
Answer: 3:2:2 -
5. Statistics
Calculate the mean of: 42, 39, 46, 42, 32, 21, 21, 50
Answer: 36.6