Algorithms for Whole-Number Addition and Subtraction
Section 3-2
| Activity Name | Activity Description |
|---|---|
| Shape Explorer | The applet creates an irregular shape on a grid. Students determine area and perimeter of the given shape and check their answers with input to the applet. Discussion should focus on grouping both colored and blank rows and columns (for area) and sides (for perimeter) to illustrate a variety of possible algorithms for determining the area. |
