By A Mystery Man Writer
Adding Integer Chips – GeoGebra
Learn Subtraction - GeoGebra Math Resources
Extending the Number Line – GeoGebra
How does multiplying a graph by a negative number affect its shape? Does the curve flip or change in another way? - Quora
Integer number line – GeoGebra
GAME Hold 'em up! - adding and subtracting integers – GeoGebra
Learn Subtraction - GeoGebra Math Resources
Adding Integers
Teaching Adding & Subtracting Integers
Adding and Subtracting Integers – GeoGebra
Adding and subtracting negative numbers – GeoGebra
Number line for adding and subtracting – GeoGebra