Keystones — Bedrock
Five GCSE retrieval questions · 2 July 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 18 + 43
Answer: 18 + 43 = 61 -
2. Algebra Substitution
If x = 2, find the value of 8x + 11
Answer: 27 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:10
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 20, 17, 5
Answer: 14