Keystones — Bedrock
Five GCSE retrieval questions · 14 July 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 50 + 39
Answer: 50 + 39 = 89 -
2. Algebra Substitution
If x = 9, find the value of 6x + 9
Answer: 63 -
3. Geometry Converting lengths
Convert 10cm to mm
Answer: 100mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:28
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 7, 5, 3
Answer: 5