Keystones — Bedrock
Five GCSE retrieval questions · 9 December 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 56
Answer: 47 + 56 = 103 -
2. Algebra Substitution
If x = 8, find the value of 2x + 5
Answer: 21 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:28
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 6, 24, 6
Answer: 12