Keystones — Bedrock
Five GCSE retrieval questions · 10 September 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 30
Answer: 13 + 30 = 43 -
2. Algebra Substitution
If x = 4, find the value of 7x + 4
Answer: 32 -
3. Geometry Converting lengths
Convert 44cm to mm
Answer: 440mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:24
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 7, 13, 25
Answer: 15