Keystones — Bedrock
Five GCSE retrieval questions · 4 May 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 44
Answer: 25 + 44 = 69 -
2. Algebra Substitution
If x = 2, find the value of 2x + 4
Answer: 8 -
3. Geometry Converting lengths
Convert 40cm to mm
Answer: 400mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:28
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 10, 19, 10
Answer: 13