Use this lesson to review three-digit addition strategies including base-ten drawings, number lines, and the standard algorithm.

With this activity, students will identify shapes, build 3-D shapes, and practice describing shapes with a partner.

Delicious multiplication! In this sweet lesson, your students will learn how to relate multiplication to repeated addition using candy counters.

This tasty lesson will teach second graders about fractions using cookies.

Teach your students to find the perimeter of polygons using real world examples. They will make polygon pictures using tangrams and practice finding the perimeters of the polygons in their masterpieces.

Help your students discover patterns when multiplying by five.