Activity
Shodor Education Foundation

Shodor Interactivate: Factorize 2

For Students Pre-K - 1st Standards
The resource consists of student notes, instructor notes, and an interactive activity. The activity allows learners to find the factors of a given number and then draw the product as the area of a rectangle on a grid.
Unit Plan
Khan Academy

Khan Academy: Repeated Addition

For Students Pre-K - 1st Standards
In this exercise, students practice repeated addition. Students receive immediate feedback and have the opportunity to get hints, watch a tutorial video, and try questions repeatedly.
Activity
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Distributive Property Illustrated

For Students 6th - 8th Standards
This is part of a math forum at Drexel University. A student gets frustrated when asked to solve a problem using the distributive property. Never fear. Dr. Math to the rescue! Illustrations and detailed examples help provide...
Interactive
Amby Duncan-Carr

Amby's Math Resources: Finding the Area of a Rectangle

For Students 3rd - 7th Standards
The tutorial investigates area and how it is the total number of square tiles covered. Examples and practice problems are included.

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