Keystones — Bedrock
Five GCSE retrieval questions · 21 March 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 66
Answer: 48 + 66 = 114 -
2. Algebra Substitution
If x = 3, find the value of 8x + 6
Answer: 30 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:10
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 16, 18, 11
Answer: 15