Keystones — Bedrock
Five GCSE retrieval questions · 8 October 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 82
Answer: 27 + 82 = 109 -
2. Algebra Substitution
If x = 9, find the value of 8x + 5
Answer: 77 -
3. Geometry Converting lengths
Convert 49cm to mm
Answer: 490mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:30
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 19, 11, 12
Answer: 14