Help your students learn to count money with this teacher-approved lesson. They'll love learning how much their favorite things are worth.

In this lesson, students use cubes to build arrays to represent factor pairs of numbers within 100. They use this understanding to identify multiples as well.

What is the likelihood that a polar bear will walk into the classroom? Students will consider this and other events using the concept of probability and the terms: Impossible, unlikely, likely, and certain.

This support lesson provides students the opportunity to use two different tools to measure the length of familiar objects while introducing content specific vocabulary words. Use alone or alongside the lesson How Big is the Playground?

Help students gain a better understanding of three-digit numbers by providing students with opportunities to compare sets of three-digit numbers. Use as a stand-alone activity or alongside the lesson Building My Math Fluency.

Students will use the inverse relationship between multiplication and division to complete an area formula in a real-world situation. Use this lesson on its own or as support for the lesson The Case of the Missing Rectangle Side.