Keystones — Bedrock
Five GCSE retrieval questions · 24 December 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 14
Answer: 32 + 14 = 46 -
2. Algebra Substitution
If x = 7, find the value of 4x + 9
Answer: 37 -
3. Geometry Converting lengths
Convert 40cm to mm
Answer: 400mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:25
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 3, 15, 18
Answer: 12