Keystones — Bedrock
Five GCSE retrieval questions · 31 October 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 34 + 32
Answer: 34 + 32 = 66 -
2. Algebra Substitution
If x = 7, find the value of 8x + 6
Answer: 62 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:21
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 11, 6, 19, 4
Answer: 10