Keystones — Bedrock
Five GCSE retrieval questions · 29 April 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 55 + 49
Answer: 55 + 49 = 104 -
2. Algebra Substitution
If x = 8, find the value of 7x + 12
Answer: 68 -
3. Geometry Converting lengths
Convert 40cm to mm
Answer: 400mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:25
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 9, 7, 4, 4
Answer: 6