Keystones — Bedrock
Five GCSE retrieval questions · 19 January 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 23
Answer: 41 + 23 = 64 -
2. Algebra Substitution
If x = 9, find the value of 3x + 8
Answer: 35 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:8
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 20, 6, 19
Answer: 15