Keystones — Bedrock
Five GCSE retrieval questions · 5 May 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 13
Answer: 43 + 13 = 56 -
2. Algebra Substitution
If x = 10, find the value of 4x + 3
Answer: 43 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:15
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 12, 21, 6
Answer: 13