Keystones — Bedrock
Five GCSE retrieval questions · 25 November 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 54 + 69
Answer: 54 + 69 = 123 -
2. Algebra Substitution
If x = 4, find the value of 7x + 3
Answer: 31 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:16
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 6, 7, 11, 20
Answer: 11