Keystones — Bedrock
Five GCSE retrieval questions · 13 August 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 15 + 47
Answer: 15 + 47 = 62 -
2. Algebra Substitution
If x = 8, find the value of 4x + 9
Answer: 41 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:8
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 11, 6, 13
Answer: 10