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Symmetry is everywhere, but it's often hard to notice. This lesson explores a few ways to identify it. By folding and making mirror images for different shapes, students will discover a new world of symmetrical figures.

Let's better understand multiplication and division concepts! Use this lesson to help students understand inverse operations between multiplication and division.

Geometry is everywhere! Lines, line segments, and points are all around. In this lesson, your students will learn about important aspects of geometry.

Are these fractions really equal? Use this lesson to introduce the concept of equivalent fractions with your students. Teach this on its own or use it as support for the lesson Equivalent Fractions Using Area Models.

Put the FUN! in function tables with this engaging, interactive lesson that will have your students generating their own patterns and tables.

Introduce your students to divisibility rules with a lesson that encourages deep thinking and meaningful math talk between peers.

The order of operations is a critical concept for fourth graders to grasp in preparation for algebra. This introductory lesson on the order of operations will teach your students about the helpful acronym PEMDAS.

Teach your students to multiply a 3-digit factor by a 1-digit factor using base ten models and the standard algorithm.

Teach your students to add and subtract fractions with like denominators using a strategy that works for both operations: converting mixed numbers into improper fractions and back again!

Students will have fun as they explore the world of probability using dice in this introductory math lesson.

In this lesson, students will add three-digit numbers using expanded form addition and standard algorithm addition. They'll explain their answers and highlight the steps for each of the strategies.

Teach your students to multiply fractions by whole numbers in this dynamic hands-on lesson!

Finding the least common multiple is an essential skill for comparing, adding, and subtracting fractions! This lesson introduces students to this concept in an interactive way.