Keystones — Bedrock
Five GCSE retrieval questions · 3 May 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 32
Answer: 27 + 32 = 59 -
2. Algebra Substitution
If x = 7, find the value of 2x + 4
Answer: 18 -
3. Geometry Converting lengths
Convert 47cm to mm
Answer: 470mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:14
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 6, 7, 2, 17
Answer: 8