Keystones — Bedrock
Five GCSE retrieval questions · 24 October 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 91 + 56
Answer: 91 + 56 = 147 -
2. Algebra Substitution
If x = 2, find the value of 7x + 4
Answer: 18 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:21
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 16, 12, 17
Answer: 15