Divisibility Rules FREE :)
It has been a while since I have posted, but for some reason I have more viewers now than ever before viewing my old posts. So...I don't want to disappoint :)
Here is a inquiry lesson plan, PowerPoint, and set of activity sheets to use when teaching divisibility rules.
PowerPoint: http://www.teacherspayteachers.com/Product/The-Rules-of-Divisibility-Divisibility-Rules-PPT
Lesson Plan and Activity Sheets: http://www.teacherspayteachers.com/Product/Divisibility-Rules-Lesson-Plan-with-PPT
What a generous freebie — an inquiry lesson plan, the PowerPoint, AND the activity sheets all in one place is rare. Starting divisibility rules through student discovery, rather than just handing them a chart, builds the number sense that makes the rules stick. The follow-up post here on the 7 and 8 rules is a natural extension for anyone who outgrows the basics. I run factorcalculator.org, a free site with divisibility-rule checks and factor tools that give students instant feedback after lessons like this.
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