### Applet for Presenting Area Problem

One of my favorite ways of presenting a problem is not presenting the problem at all but just letting learners observe first and then ask […]

One of my favorite ways of presenting a problem is not presenting the problem at all but just letting learners observe first and then ask […]

Two or more triangles are similar if their corresponding angles are congruent. It also follows that if two triangles are similar, their corresponding sides are […]

Here is a dynamic worksheet for teaching and reviewing some geometric relations such as sum of angles in a triangle, angles of parallelograms, corresponding angles, […]

You can use the following applet to help your students discover the area of trapezoid. The only prerequisite knowledge is area of a parallelogram which […]

You can use this dynamic worksheet to have students explore and discover the procedure of completing the square for solving quadratic equation of the form x2+bx=c. Note […]

Here is a dynamic worksheet you can use in problems involving chords of circles and diagonals of polygons. The figure produced by the worksheet not […]

Trigonometric Ratios Calculator lets you calculate the value of sine, cosine, tangent, and cotangent of acute angle in a right triangle. But this is more […]

This is an applet you can use to teach quadratic equation, their form, and properties. Sample tasks you can ask the students to do: A. […]

This is an applet students can use to explore and figure out how to solve systems of linear equation by substitution. Use the applet to […]

This is a dynamic worksheet for exploring the sum and difference of two equations in two unknowns. You can use this to explain the elimination […]

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