Keystones — Bedrock
Five GCSE retrieval questions · 13 March 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 76
Answer: 21 + 76 = 97 -
2. Algebra Substitution
If x = 6, find the value of 2x + 11
Answer: 23 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:35
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 12, 9, 12
Answer: 11