Keystones — Bedrock
Five GCSE retrieval questions · 1 November 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 31
Answer: 45 + 31 = 76 -
2. Algebra Substitution
If x = 5, find the value of 6x + 4
Answer: 34 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:21
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 17, 12, 10
Answer: 13