Keystones — Bedrock
Five GCSE retrieval questions · 26 November 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 77 + 67
Answer: 77 + 67 = 144 -
2. Algebra Substitution
If x = 4, find the value of 4x + 12
Answer: 28 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:30
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 9, 9, 13, 19, 15
Answer: 13