Keystones — Bedrock
Five GCSE retrieval questions · 14 April 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 40
Answer: 39 + 40 = 79 -
2. Algebra Substitution
If x = 2, find the value of 6x + 11
Answer: 23 -
3. Geometry Converting lengths
Convert 47cm to mm
Answer: 470mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:12
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 10, 1, 7, 6
Answer: 6