Keystones — Bedrock
Five GCSE retrieval questions · 7 July 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 26
Answer: 40 + 26 = 66 -
2. Algebra Substitution
If x = 5, find the value of 5x + 11
Answer: 36 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 13, 8, 9
Answer: 10