Keystones — Bedrock
Five GCSE retrieval questions · 8 December 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 49
Answer: 29 + 49 = 78 -
2. Algebra Substitution
If x = 7, find the value of 6x + 10
Answer: 52 -
3. Geometry Converting lengths
Convert 13cm to mm
Answer: 130mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:16
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 7, 6, 11
Answer: 8