Education Technology

### Building a Garden Fence

In this activity, students will use basic concepts of perimeter and area to investigate a classic problem situation requiring maximization. They must decide how to build a garden fence to enclose the largest possible area.
• TI-84 Plus C Silver Edition
• TI-84 Plus Silver Edition
• TI-84 Plus
• TI-84 Plus CE Family

### Changing Before My Eyes

In this activity, students will discover how pictures formed by graphing ordered pairs can be stretched (and shrunk) by multiplying (and dividing) the coordinates.
• TI-84 Plus C Silver Edition
• TI-84 Plus Silver Edition
• TI-84 Plus
• TI-84 Plus CE Family

### Comparing Area of Rectangles

In this activity, students discover the relationship between a change in the dimensions of a rectangle and the change in the corresponding area.
• TI-84 Plus C Silver Edition
• TI-84 Plus Silver Edition
• TI-84 Plus
• TI-84 Plus CE Family

### Making Triangles

In this activity, students will investigate properties of triangles, classify the various types of triangles, and determine if specific side lengths will make a triangle or not.
• TI-84 Plus C Silver Edition
• TI-84 Plus Silver Edition
• TI-84 Plus
• TI-84 Plus CE Family

### Mirror, Mirror, on the Graph

In this activity, students review basic geometry vocabulary while investigating reflections on a coordinate grid.
• TI-84 Plus C Silver Edition
• TI-84 Plus Silver Edition
• TI-84 Plus
• TI-84 Plus CE Family

### Move it

In this activity, students investigate transformation, slides and scaling, of a triangle using lists. They will add, subtract and multiply numbers to the list and describe the changes that have occurred. Students are to make the connection between changing the x- or y-values and the transformation.
• TI-84 Plus C Silver Edition
• TI-84 Plus Silver Edition
• TI-84 Plus
• TI-84 Plus CE Family

### Transforming Fish

In this activity, students will discover how pictures formed by graphing ordered pairs can be stretched (and shrunk) by multiplying (and dividing) the coordinates.
• TI-84 Plus C Silver Edition
• TI-84 Plus Silver Edition
• TI-84 Plus
• TI-84 Plus CE Family