Alabama Learning Exchange
Ellipse
High schoolers explore the concept of ellipses. In this ellipses lesson, they construct ellipses on their paper and follow directions on a worksheet that allow them to investigate an ellipse in more depth by looking at the major axis,...
Curated OER
The Big Apple
Students study the buying and selling market and how prices are determined for an agricultural product. In this competitive market instructional activity, students study how prices are determined in a market by studying the forces of...
Curated OER
students rotate through four workstations that reinforce the concept of symmetry
Second graders, in pairs, use arrays to explore the relationship between multiplication and division.
Curated OER
Defining Culture
Second graders define the term culture and are exposed to a variety of cultures from around the world. They read books, play Native American games, develop a class book that examines their own culture and, after examining currencies from...
Curated OER
Comparative and Superlative Adjectives
In this adjective worksheet, students read about comparative and superlative forms, then complete sentences correctly. Students then make up some sentences of their own using comparative and superlative adjectives.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Meaning of Subtraction, and Mental Calculation
This website explains and defines basic subtraction. There are practice problems at the very end of this lesson.