Keystones — Bedrock
Five GCSE retrieval questions · 13 December 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 37 + 44
Answer: 37 + 44 = 81 -
2. Algebra Substitution
If x = 10, find the value of 5x + 5
Answer: 55 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:15
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 8, 15, 8, 6, 8
Answer: 9