Keystones — Bedrock
Five GCSE retrieval questions · 26 December 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 34 + 26
Answer: 34 + 26 = 60 -
2. Algebra Substitution
If x = 5, find the value of 3x + 12
Answer: 27 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:32
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 11, 2, 11
Answer: 8