Keystones — Bedrock
Five GCSE retrieval questions · 30 December 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 73 + 97
Answer: 73 + 97 = 170 -
2. Algebra Substitution
If x = 5, find the value of 6x + 4
Answer: 34 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:15
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 5, 13, 15
Answer: 11