Keystones — Bedrock
Five GCSE retrieval questions · 11 June 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 34
Answer: 31 + 34 = 65 -
2. Algebra Substitution
If x = 4, find the value of 7x + 5
Answer: 33 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:14
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 11, 2, 4, 19
Answer: 9