Keystones — Bedrock
Five GCSE retrieval questions · 26 August 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 99 + 43
Answer: 99 + 43 = 142 -
2. Algebra Substitution
If x = 2, find the value of 3x + 9
Answer: 15 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:4
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 14, 2, 11, 5
Answer: 8