Keystones — Bedrock
Five GCSE retrieval questions · 29 December 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 43
Answer: 28 + 43 = 71 -
2. Algebra Substitution
If x = 6, find the value of 6x + 6
Answer: 42 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:18
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 19, 11, 19, 11
Answer: 15