Keystones — Bedrock
Five GCSE retrieval questions · 25 September 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 45
Answer: 47 + 45 = 92 -
2. Algebra Substitution
If x = 6, find the value of 7x + 3
Answer: 45 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:40
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 3, 18, 3
Answer: 8