Computer as a tool in mathematics. A mathematical software tool is somewhat like a physical manipulative; by itself, it does not teach. However, the user of a well-designed tool software package has an electronic 'thinker toy' with which to explore mathematical ideals.
Placing students in groups of three or four to work on a problem is an extremely useful strategy for encouraging the discourse and interaction envisioned in a mathematical community.
Groups should usually be heterogeneous in ability so that all students are exposed to good thinking and reasoning.
In a mathematical environment, students feel confortable trying out ideas and taking risks. The students were curiosity, why my ' transformation sketch' was not robustly constructed?
Alamak!! All the robust image was destroyed.
Don'y worry! the robust sketch will recover back.
Sketchpad makes it easy to construct figures using transformations. Students started early using Sketchpad's transformation capabilities so they can take advantage of these capabilities in their construction.
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