Keystones — Bedrock
Five GCSE retrieval questions · 24 July 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 50
Answer: 40 + 50 = 90 -
2. Algebra Substitution
If x = 2, find the value of 8x + 4
Answer: 20 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:4
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 6, 16, 3, 7
Answer: 8