Keystones — Bedrock
Five GCSE retrieval questions · 7 August 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 57
Answer: 44 + 57 = 101 -
2. Algebra Substitution
If x = 2, find the value of 3x + 5
Answer: 11 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:6
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 25, 3, 8, 20
Answer: 14