Keystones — Bedrock
Five GCSE retrieval questions · 17 November 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 23
Answer: 23 + 23 = 46 -
2. Algebra Substitution
If x = 5, find the value of 5x + 9
Answer: 34 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:15
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 6, 6, 11, 9
Answer: 8