<p>This is a puzzle similar to Sudoku but tests knowledge of Prime Factors. It is particularly useful for looking at introducing the idea of common primne factors before teaching the Venn Diagram/Prime Factors method for HCFs and LCMs</p><p>Other topics covered: Numbers</p>


  • Prime Duko.ppt

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Created: Sep 6, 2009

Updated: Aug 19, 2015

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