Keystones — Bedrock
Five GCSE retrieval questions · 20 September 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 29
Answer: 47 + 29 = 76 -
2. Algebra Substitution
If x = 5, find the value of 8x + 12
Answer: 52 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:6
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 1, 11, 8, 20, 15
Answer: 11