Keystones — Bedrock
Five GCSE retrieval questions · 22 November 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 18 + 46
Answer: 18 + 46 = 64 -
2. Algebra Substitution
If x = 4, find the value of 7x + 7
Answer: 35 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:12
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 19, 4, 6, 10, 6
Answer: 9