Keystones — Bedrock
Five GCSE retrieval questions · 3 April 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 41
Answer: 22 + 41 = 63 -
2. Algebra Substitution
If x = 4, find the value of 4x + 9
Answer: 25 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:20
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 16, 6, 20
Answer: 14