Keystones — Bedrock
Five GCSE retrieval questions · 23 March 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 34
Answer: 31 + 34 = 65 -
2. Algebra Substitution
If x = 8, find the value of 3x + 11
Answer: 35 -
3. Geometry Converting lengths
Convert 44cm to mm
Answer: 440mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:18
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 18, 4, 8
Answer: 10