Keystones — Bedrock
Five GCSE retrieval questions · 26 October 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 35
Answer: 29 + 35 = 64 -
2. Algebra Substitution
If x = 4, find the value of 2x + 11
Answer: 19 -
3. Geometry Converting lengths
Convert 47cm to mm
Answer: 470mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:35
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 17, 7, 4, 8, 9
Answer: 9