Keystones — Bedrock
Five GCSE retrieval questions · 20 May 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 89 + 66
Answer: 89 + 66 = 155 -
2. Algebra Substitution
If x = 10, find the value of 6x + 6
Answer: 66 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:24
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 3, 13, 18, 14
Answer: 12