Keystones — Bedrock
Five GCSE retrieval questions · 27 June 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 76 + 61
Answer: 76 + 61 = 137 -
2. Algebra Substitution
If x = 10, find the value of 3x + 7
Answer: 37 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:8
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 6, 18, 9
Answer: 11