How to Use Geometry in PowerPoint
Geometry can be difficult to teach. Numerous aspects must be demonstrated for a student to grasp geometry. For example, students must comprehend concepts such as analytical and abstract forms, figures and definitions. Creating PowerPoint presentations can help students comprehend geometry more easily. Slide shows are more interesting than verbal instruction alone. In addition, the illustrations and three-dimensional effects incorporate two layers of instruction--visual and audio--helping students to absorb the lesson more quickly and completely.
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Instructions
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Introduce lines and points. In PowerPoint 2003, click the "AutoShapes" button on the "Drawing" toolbar and select a line with arrows at each end. In PowerPoint 2007, go to the "Insert" tab, click "Shapes" and select a line with arrows at each end. Drag two intersecting lines onto the slide. Mark the point on the lines using a circle from the "AutoShapes" or "Shapes" menu.
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2
Display rays and angles. Select a line with an arrow at one end from "AutoShapes" or "Shapes" and drag it onto a slide. Add a small circle from the "AutoShapes" or "Shapes" menu to the other end to create a ray. Connect two of these lines to create an angle.
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3
Use lines with arrows, as created in Step 1, to exhibit parallel and perpendicular lines. Add a square from the "AutoShapes" or "Shapes" menu to the intersection of the perpendicular lines to display the defining right angle.
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4
Create triangles on a slide using the straight line from the "Shapes" or "AutoShapes" menu. You can also select a triangle from the "Basic Shapes" group. "Basic Shapes" can be changed and rotated using the green rotation handle or by dragging the white points on the shape. Right-click a "Basic Shape" triangle, select "Format" and add effects such as fill colors or 3-D.
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5
Use the "Basic Shapes" group to present other geometric shapes, such as parallelograms, trapezoids, hexagons and more. These shapes can all be formatted by right-clicking and selecting the "Format Shape" option. Change the fill colors and line colors, and add fill effects such as patterns and pictures.
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Tips & Warnings
Make the PowerPoint presentation even more interesting by using an animation scheme. In PowerPoint 2003, go to the "SlideShow" menu and select "Animation Scheme." In PowerPoint 2007, the option is on the "Animation" tab.
