Keystones — Bedrock
Five GCSE retrieval questions · 1 February 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 49
Answer: 47 + 49 = 96 -
2. Algebra Substitution
If x = 6, find the value of 8x + 11
Answer: 59 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:10
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 15, 20, 10
Answer: 15