Keystones — Bedrock
Five GCSE retrieval questions · 8 July 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 37
Answer: 29 + 37 = 66 -
2. Algebra Substitution
If x = 3, find the value of 2x + 7
Answer: 13 -
3. Geometry Converting lengths
Convert 44cm to mm
Answer: 440mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:10
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 15, 12, 15
Answer: 14