Keystones — Bedrock
Five GCSE retrieval questions · 12 March 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 74 + 42
Answer: 74 + 42 = 116 -
2. Algebra Substitution
If x = 6, find the value of 3x + 11
Answer: 29 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:16
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 17, 10, 10, 11, 22
Answer: 14