Keystones — Bedrock
Five GCSE retrieval questions · 16 September 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 71 + 61
Answer: 71 + 61 = 132 -
2. Algebra Substitution
If x = 6, find the value of 6x + 7
Answer: 43 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:12
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 22, 3, 11
Answer: 12