Keystones — Bedrock
Five GCSE retrieval questions · 2 July 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 67 + 48
Answer: 67 + 48 = 115 -
2. Algebra Substitution
If x = 8, find the value of 3x + 8
Answer: 32 -
3. Geometry Converting lengths
Convert 13cm to mm
Answer: 130mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:9
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 22, 10, 10
Answer: 14