Keystones — Bedrock
Five GCSE retrieval questions · 1 June 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 29
Answer: 28 + 29 = 57 -
2. Algebra Substitution
If x = 6, find the value of 2x + 7
Answer: 19 -
3. Geometry Converting lengths
Convert 35cm to mm
Answer: 350mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:4
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 6, 15, 15
Answer: 12