Keystones — Bedrock
Five GCSE retrieval questions · 21 April 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 28
Answer: 28 + 28 = 56 -
2. Algebra Substitution
If x = 6, find the value of 7x + 11
Answer: 53 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:28
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 16, 4, 10
Answer: 10