Keystones — Bedrock
Five GCSE retrieval questions · 22 December 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 57 + 67
Answer: 57 + 67 = 124 -
2. Algebra Substitution
If x = 5, find the value of 7x + 11
Answer: 46 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:6
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 20, 12, 10, 9, 9
Answer: 12