Keystones — Bedrock
Five GCSE retrieval questions · 7 February 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 55 + 31
Answer: 55 + 31 = 86 -
2. Algebra Substitution
If x = 3, find the value of 7x + 7
Answer: 28 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:12
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 12, 20, 13
Answer: 15