Keystones — Bedrock
Five GCSE retrieval questions · 12 November 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 89 + 76
Answer: 89 + 76 = 165 -
2. Algebra Substitution
If x = 6, find the value of 4x + 10
Answer: 34 -
3. Geometry Converting lengths
Convert 43cm to mm
Answer: 430mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:20
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 11, 10, 7, 8
Answer: 9