This video explains how to graph, adjust the window, determine the max/mins, and determine where a function is increasing or decreasing using a free online graphing calculator. https://dlippman.imathas.com/graphcalc/graphcalc.html
This video explains what gain in needed after a 10% loss and to recover the loss in price.
This video explains why after a 10% loss and a 10% gain, a stock price is still down 1%.
This video explains how write related addition and subtraction problems.
This video explains how to write an subtraction equation from a number line model.
This video explains how to subtract whole numbers using a number line.
The video explains how to subtract whole numbers by combining 2 sets of objected
This video explains how to write an equation to solving an application problem.
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.