Keystones — Bedrock
Five GCSE retrieval questions · 1 January 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 70 + 51
Answer: 70 + 51 = 121 -
2. Algebra Substitution
If x = 9, find the value of 7x + 7
Answer: 70 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:32
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 11, 10, 9, 6
Answer: 9