Keystones — Bedrock
Five GCSE retrieval questions · 26 October 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 22
Answer: 31 + 22 = 53 -
2. Algebra Substitution
If x = 7, find the value of 6x + 10
Answer: 52 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:6
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 11, 13, 3, 22, 11
Answer: 12