Keystones — Bedrock
Five GCSE retrieval questions · 31 July 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 39
Answer: 26 + 39 = 65 -
2. Algebra Substitution
If x = 6, find the value of 5x + 9
Answer: 39 -
3. Geometry Converting lengths
Convert 44cm to mm
Answer: 440mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:9
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 12, 12, 19, 1
Answer: 11