Keystones — Bedrock
Five GCSE retrieval questions · 11 September 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 37
Answer: 41 + 37 = 78 -
2. Algebra Substitution
If x = 10, find the value of 2x + 3
Answer: 23 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 7, 16, 16
Answer: 13