Keystones — Bedrock
Five GCSE retrieval questions · 25 January 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 36
Answer: 38 + 36 = 74 -
2. Algebra Substitution
If x = 2, find the value of 5x + 10
Answer: 20 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:14
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 16, 8, 13, 4, 9
Answer: 10