Keystones — Bedrock
Five GCSE retrieval questions · 11 May 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 36
Answer: 23 + 36 = 59 -
2. Algebra Substitution
If x = 5, find the value of 4x + 5
Answer: 25 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:35
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 25, 6, 2
Answer: 11