Lay the foundation for multiplication by introducing your second graders to the concepts of skip counting and repeated addition. This lesson can be used alongside Up, Up, and Array, or separately to reinforce these important skills.

Your young scientists will have tons of fun visiting measurement stations and using tools to measure various objects. They'll even be able to create posters at the end of the activity.

Subtraction is a lot more than just “take away.” In this lesson, students develop an understanding of subtraction as comparison by creating and interpreting data from bar graphs.