Keystones — Bedrock
Five GCSE retrieval questions · 10 July 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 17
Answer: 38 + 17 = 55 -
2. Algebra Substitution
If x = 8, find the value of 7x + 11
Answer: 67 -
3. Geometry Converting lengths
Convert 40cm to mm
Answer: 400mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:32
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 16, 5, 20, 11
Answer: 13