Keystones — Bedrock
Five GCSE retrieval questions · 22 August 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 87 + 98
Answer: 87 + 98 = 185 -
2. Algebra Substitution
If x = 8, find the value of 5x + 4
Answer: 44 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:10
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 11, 8, 11
Answer: 10