Keystones — Bedrock
Five GCSE retrieval questions · 25 May 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 31
Answer: 17 + 31 = 48 -
2. Algebra Substitution
If x = 9, find the value of 7x + 3
Answer: 66 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:16
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 10, 18, 4, 9, 9
Answer: 10