### Exploring Regular Polygons

December 17, 2012

This applet is designed to familiarize elementary school pupils with names of polygons.  It can also be used to acquaint students with Greek root words […]

### Trigonometric Ratios Calculator

November 7, 2012

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 […]

October 22, 2012

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. […]

### Linear Equation Solver

October 13, 2012

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 […]

### The Disappearing Square

October 5, 2012

The figure below is made up of different shapes. If the shapes are rearranged, a square unit of area disappears.  How can this be? The […]

### Applet for solving equations in two unknowns

September 29, 2012

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 […]

### Worksheets for Teaching Polygons

September 13, 2012

Here are two worksheets you can use to teach the properties of polygons. Worksheet 1 is about classifying polygons. The instruction to sort the polygons […]

### 6 Graphing Tools for Teaching and Learning Mathematics

August 29, 2012

Technology is an essential tool for learning mathematics.  Given the right tool, the student can  maximize problem solving that cannot be solved easily using pencil […]

### How to make an equilateral triangle by paper folding

August 13, 2012

This paper folding activity shows four methods of folding a square paper  showing creases forming an equiangular or equilateral triangle. You can present this task […]

### What is slope?

August 4, 2012

A study conducted in the United States, investigated secondary mathematics teachers’ concept definitions, mathematical understanding, and pedagogical content knowledge of slope. The data were collected […]