Keystones — Bedrock
Five GCSE retrieval questions · 9 October 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 42
Answer: 46 + 42 = 88 -
2. Algebra Substitution
If x = 2, find the value of 6x + 3
Answer: 15 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:15
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 12, 12, 14, 18
Answer: 14