Keystones — Bedrock
Five GCSE retrieval questions · 27 January 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 50 + 20
Answer: 50 + 20 = 70 -
2. Algebra Substitution
If x = 2, find the value of 4x + 4
Answer: 12 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 2, 22, 6
Answer: 10