Keystones — Bedrock
Five GCSE retrieval questions · 24 February 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 11 + 37
Answer: 11 + 37 = 48 -
2. Algebra Substitution
If x = 6, find the value of 4x + 7
Answer: 31 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:21
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 2, 25, 15, 6, 12
Answer: 12