Keystones — Bedrock
Five GCSE retrieval questions · 18 August 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 91
Answer: 48 + 91 = 139 -
2. Algebra Substitution
If x = 6, find the value of 6x + 11
Answer: 47 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 4, 18, 5
Answer: 9