Keystones — Bedrock
Five GCSE retrieval questions · 21 September 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 56 + 41
Answer: 56 + 41 = 97 -
2. Algebra Substitution
If x = 7, find the value of 2x + 9
Answer: 23 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:24
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 4, 8, 9, 25, 14
Answer: 12