Keystones — Bedrock
Five GCSE retrieval questions · 19 July 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 49
Answer: 28 + 49 = 77 -
2. Algebra Substitution
If x = 6, find the value of 6x + 10
Answer: 46 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:14
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 15, 16, 2, 11
Answer: 11