Keystones — Bedrock
Five GCSE retrieval questions · 31 May 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 55 + 34
Answer: 55 + 34 = 89 -
2. Algebra Substitution
If x = 10, find the value of 6x + 4
Answer: 64 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:20
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 7, 8, 4, 8, 8
Answer: 7