Keystones — Bedrock
Five GCSE retrieval questions · 6 March 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 84 + 53
Answer: 84 + 53 = 137 -
2. Algebra Substitution
If x = 2, find the value of 5x + 6
Answer: 16 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:12
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 21, 11, 19, 5, 19
Answer: 15