Using graph paper, have student draw a regular shape of their choice. First have them figure out the perimeter and area of the shape and write it down.
Then, over top of the existing shape, have them double all line dimensions using a different color. Have them figure out the perimeter and area.
Discuss how they have changed and try to come up with a rule for what happens to them. Try it again with different shapes to test your rules.
Enlarging Shapes
K - Kindergarten
1 - First Grade
2 - Second Grade
3 - Third Grade
4 - Fourth Grade
5 - Fifth Grade
The grade level links above will take you to the Sunshine State Standards math expectations. Each expectation also includes a printable student activity.
1 - First Grade
2 - Second Grade
3 - Third Grade
4 - Fourth Grade
5 - Fifth Grade
The grade level links above will take you to the Sunshine State Standards math expectations. Each expectation also includes a printable student activity.
Math Resources
Copyright © 2005, 2006 Florida Math.
FloridaMath.com aims to provide valuable math teaching resources for instructors and parents alike. Founded by a practicing third grade math teacher, it was constructed as a place for people to come together and share math teaching ideas. Since practicing instructors contribute to this website, the math teaching resources you will find here are both relevant and applicable.
SEARCH:
