Keystones — Bedrock
Five GCSE retrieval questions · 22 October 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 24
Answer: 46 + 24 = 70 -
2. Algebra Substitution
If x = 9, find the value of 8x + 6
Answer: 78 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:15
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 13, 6, 8, 13
Answer: 10