Keystones — Bedrock
Five GCSE retrieval questions · 5 February 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 17
Answer: 40 + 17 = 57 -
2. Algebra Substitution
If x = 5, find the value of 6x + 4
Answer: 34 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:20
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 14, 4, 15
Answer: 11