Keystones — Bedrock
Five GCSE retrieval questions · 2 May 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 82
Answer: 29 + 82 = 111 -
2. Algebra Substitution
If x = 9, find the value of 5x + 12
Answer: 57 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:12
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 19, 10, 16, 5, 10
Answer: 12