Keystones — Bedrock
Five GCSE retrieval questions · 28 July 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 16
Answer: 22 + 16 = 38 -
2. Algebra Substitution
If x = 7, find the value of 3x + 11
Answer: 32 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:16
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 7, 22, 7
Answer: 12