Keystones — Bedrock
Five GCSE retrieval questions · 12 January 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 95 + 71
Answer: 95 + 71 = 166 -
2. Algebra Substitution
If x = 5, find the value of 4x + 7
Answer: 27 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:9
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 9, 15, 12, 20
Answer: 14