Adding, Subtracting, Multiplying, and Dividing Rational Numbers
When you add, subtract. multiply, or divide rational numbers on a calculator all you get to see is the answer. Geometer's Sketchpad allows you to make these operations more dynamic in the classroom. These models can help students to visualize what these operations do and how they work.
Click here to see the math machine.
Click here to see the model for adding integers.
There are many other sketches that you will find in the workbook that can be used to help make the topics more dynamic.
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