Keystones — Bedrock
Five GCSE retrieval questions · 11 February 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 71 + 37
Answer: 71 + 37 = 108 -
2. Algebra Substitution
If x = 6, find the value of 2x + 5
Answer: 17 -
3. Geometry Converting lengths
Convert 47cm to mm
Answer: 470mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:35
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 11, 16, 8, 10, 5
Answer: 10