Keystones — Bedrock
Five GCSE retrieval questions · 8 August 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 64 + 87
Answer: 64 + 87 = 151 -
2. Algebra Substitution
If x = 3, find the value of 2x + 11
Answer: 17 -
3. Geometry Converting lengths
Convert 47cm to mm
Answer: 470mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:32
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 15, 15, 3
Answer: 11