Keystones — Bedrock
Five GCSE retrieval questions · 14 July 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 65 + 69
Answer: 65 + 69 = 134 -
2. Algebra Substitution
If x = 9, find the value of 2x + 12
Answer: 30 -
3. Geometry Converting lengths
Convert 25cm to mm
Answer: 250mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:18
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 8, 9, 22
Answer: 13