Keystones — Cornerstone
Five GCSE retrieval questions · 22 March 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 91 + ? = 182
Answer: 91 -
2. Algebra
Solve: 6x = 48
Answer: x = 8 -
3. Geometry
Find the hypotenuse of a right triangle with sides 5cm and 12cm
Answer: 13cm -
4. Ratio
Simplify: 6:12:12
Answer: 1:2:2 -
5. Statistics
Find the mean of: 11, 10, 18
Answer: 13