Keystones — Bedrock
Five GCSE retrieval questions · 19 June 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 40
Answer: 22 + 40 = 62 -
2. Algebra Substitution
If x = 9, find the value of 7x + 10
Answer: 73 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:16
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 11, 2, 2
Answer: 5