Keystones — Bedrock
Five GCSE retrieval questions · 17 December 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 16
Answer: 46 + 16 = 62 -
2. Algebra Substitution
If x = 7, find the value of 4x + 6
Answer: 34 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:40
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 20, 11, 5, 16
Answer: 13