Sunday, November 30, 2014

Divisibility Rules

Divisibility Rules
Something to Think About:  Since many students do not know
their multiplication tables, reducing fractions is almost an impossible
task. The divisibility rules, if learned and understood, can be an excellent math tool. The resource, Using Digital Root to Reduce Fractions, contains four easy to understand divisibility rules as well as the digital root rules for 3, 6, and 9. A clarification of what digital root is and how to find it is explained. Also contained in the resource is a dividing check off list for the student. Download the preview to view the first divisibility rule plus three samples from the student check off list.

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