Keystones — Bedrock
Five GCSE retrieval questions · 31 December 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 90 + 67
Answer: 90 + 67 = 157 -
2. Algebra Substitution
If x = 3, find the value of 2x + 11
Answer: 17 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:6
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 5, 18, 11, 8, 3
Answer: 9