How much longer is a blue whale than an orca? Teach your students to use bar models and number sentences with variables as they solve these wild word problems!

Show your class how combining two objects can create a new object in this hands-on science lesson. Students will learn why breaking apart an object doesn't change its mass.

Guide students through the challenging task of unpacking the main idea of a text.

Do your students have strong opinions? This lesson, which features a bunch of fun essay-building exercises, provides an outlet for young writers to express their opinions.

Get your students comfortable with math conversations with this lesson on multiplying fractions by a whole number. It can be taught on its own or used as support for the lesson Fractions of a Whole.