Keystones — Bedrock
Five GCSE retrieval questions · 16 July 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 52
Answer: 41 + 52 = 93 -
2. Algebra Substitution
If x = 7, find the value of 2x + 7
Answer: 21 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:30
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 16, 2, 3
Answer: 7