Geometry is everywhere! Lines, line segments, and points are all around. In this lesson, your students will learn about important aspects of geometry.

This is a lesson about the immigration procedures at Ellis Island. Students will learn about the process and creatively write about what it was like for immigrants to pass through Ellis Island.

Squirm with worms! In this interactive lesson, students will work with live worms to learn about measurement and living things.

Your students’ understanding will reach its peak when they ask detail-seeking questions from observations made about plateaus, mesas, canyons, and buttes. Students will use illustrations and text to assist in their questions and answers.

This lesson introduces students to the concepts of mean, median, and mode in a hands-on and visual way.

There are many ways to represent skip counting, so help students find their chosen method! Use this as a stand alone lesson or as a pre-lesson for Skip Counting to Understand Multiplication.

Help students learn the academic vocabulary and symbols used to record the results of comparing two three-digit numbers. This lesson can be used as a stand-alone activity or prior to Greater Than, Less Than: Comparing Three-Digit Numbers.

Bring on the polygons! Your students will build their understanding of polygons and sort shapes into categories based on their attributes in this lesson.