Keystones — Bedrock
Five GCSE retrieval questions · 31 July 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 95
Answer: 43 + 95 = 138 -
2. Algebra Substitution
If x = 2, find the value of 6x + 7
Answer: 19 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:12
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 17, 2, 11
Answer: 10