Keystones — Bedrock
Five GCSE retrieval questions · 1 October 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 11 + 34
Answer: 11 + 34 = 45 -
2. Algebra Substitution
If x = 8, find the value of 2x + 11
Answer: 27 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:18
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 3, 18, 12, 19
Answer: 13