Keystones — Bedrock
Five GCSE retrieval questions · 1 August 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 37 + 19
Answer: 37 + 19 = 56 -
2. Algebra Substitution
If x = 10, find the value of 2x + 8
Answer: 28 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:20
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 4, 7, 5, 13, 6
Answer: 7