Curated OER
How Safe Is Your Backyard?
Seventh graders investigate the safety of soil and water locally and communicate via the Internet with students in different locales sharing information. They research the Internet using its multimedia capabilities and collate the data...
Curated OER
Factoring Trinomials
Students factor trinomials. In this algebra lesson, students use special patterns and formulas to factor. They utilize algebra tiles as a hands-on method for gaining practice with trinomials.
Curated OER
Tetrominoes Cover-Up
Third graders are given square tiles and participate in a demonstration on how to arrange them. Using the tiles, they work with a partner to discover how many two-dimensional tetrominoes they can create. To end the lesson, they must...