Keystones — Bedrock
Five GCSE retrieval questions · 10 April 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 57 + 66
Answer: 57 + 66 = 123 -
2. Algebra Substitution
If x = 3, find the value of 4x + 6
Answer: 18 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:24
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 9, 5, 3, 19, 9
Answer: 9