Keystones — Bedrock
Five GCSE retrieval questions · 16 January 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 33
Answer: 26 + 33 = 59 -
2. Algebra Substitution
If x = 9, find the value of 2x + 10
Answer: 28 -
3. Geometry Converting lengths
Convert 25cm to mm
Answer: 250mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:8
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 20, 13, 3
Answer: 12