Keystones — Bedrock
Five GCSE retrieval questions · 30 September 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 28
Answer: 42 + 28 = 70 -
2. Algebra Substitution
If x = 3, find the value of 6x + 12
Answer: 30 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:4
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 6, 19, 20
Answer: 15