Keystones — Bedrock
Five GCSE retrieval questions · 26 June 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 80 + 96
Answer: 80 + 96 = 176 -
2. Algebra Substitution
If x = 6, find the value of 3x + 7
Answer: 25 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:15
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 4, 19, 18, 3
Answer: 11