Describing figures and visualizing what they look like when they are
transformed through rotations or flips or are put together or taken
apart in different ways are important aspects of geometry in the lower
||Developing Geometry Understandings with Tangrams (4.4)
In this two-part e-example, students choose from eight
pre-made outlines and use either seven or fourteen pieces to create images and
build basic geometric understandings. The options include the ability to:
color, rotate, show hints, time progress, and create your own outlines.
The two-part example below contains the original applets which conform more closely to the pointers in the book.
It demonstrates the potential for
high-quality experiences provided by computer "shape" environments for
students as they learn concepts described in the Geometry Standard.
Problem-solving tasks that involve physical manipulatives as well as
virtual manipulatives afford many students an entry into mathematics
that they might not otherwise experience.
||Tangram Puzzles (4.4.1)
can choose a picture and use all seven pieces to fill in the outline.
||Tangram Challenges (4.4.2)
Students can use tangram pieces to form given polygons.