Use this lesson to introduce composing and decomposing as part of your students’ addition and subtraction toolkits.

Advance your students from relative measurements to learning about standardized units with this lesson that teaches them about inches and feet by using common classroom objects.

In this lesson, your students will measure the lengths of items and then make a line plot to show the measurement data. They will get hands-on by measuring and surveying the class.

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

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

Your students will “hop their way” into understanding place value with this fun and active game! In this lesson, they will learn that changing the order of the digits in a number changes its value.