Keystones — Bedrock
Five GCSE retrieval questions · 5 October 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 66 + 95
Answer: 66 + 95 = 161 -
2. Algebra Substitution
If x = 5, find the value of 6x + 11
Answer: 41 -
3. Geometry Converting lengths
Convert 47cm to mm
Answer: 470mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:24
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 16, 17, 10, 9
Answer: 13