Keystones — Bedrock
Five GCSE retrieval questions · 18 March 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 76 + 98
Answer: 76 + 98 = 174 -
2. Algebra Substitution
If x = 5, find the value of 5x + 12
Answer: 37 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:35
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 7, 20, 9, 12
Answer: 12