**Our rating:** **License: Free to try**
Until now three-dimensional geometry was difficult to teach – the complexity of designs in perspective, models that are difficult and time-consuming to construct… **Cabri 3D** is the only program that enables you to alleviate these construction difficulties and that also contains the benefits of interactive geometry. With just a few clicks, students can: **Construct 2-D and 3-D figures**, from the simplest to the most complex, by combining fundamental geometric objects such as points, angles, segments, circles, planes, solids and transformations. **Create expressions** using fundamental algebraic concepts, such as numbers, variables and operations. **Connect geometry and algebra** by measuring length, angles, area and volume and then attaching these numeric values directly to the figure to use them in calculations or in algebraic expressions. **Explore** a figure's properties by manipulating its variable elements.
**Observe** the effects of dynamic transformations like shrinking and enlarging.
**Make conjectures** about algebraic and geometric properties, and then verify relationships among various parts of a figure.
The teacher can: **Create activities** that: - facilitate the introduction and understanding of new concepts - promote the discovery of theorems, instead of just showing them - help model real-life situations. **Generate classroom resources** by inserting text or pictures in a figure, modifying graphical elements, copying/pasting into other software and producing high-quality printouts. **Present activities** to students, have them manipulate figures, observe and guide them. Using Cabri allows you to better assess individual student comprehension. **Expand online** by integrating figures that can be manipulated on web pages or by incorporating Microsoft Office® documents. **Have students solve problems** directly linked to the NCTM standards with possible interdisciplinary connections to physics, geography and the arts.
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