Keystones — Bedrock
Five GCSE retrieval questions · 6 September 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 79
Answer: 24 + 79 = 103 -
2. Algebra Substitution
If x = 7, find the value of 4x + 3
Answer: 31 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:30
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 15, 4, 8
Answer: 9