This video explains how to write an addition equation from a number line model.
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This video explains how to write an addition equation from a number line model.
This video explains how to add whole numbers using a number line.
This video explains how to write an equation to solving an application problem.
This video explains how to determine the gradient vector field of a function of three variables.
This video explains how to determine the gradient vector field of a function of three variables.
This video using 3D Calc Plotter to illustrate the meaning of a gradient vector.
This video using 3D Calc Plotter to illustrate the meaning of a directional derivative.