Explore the beauty of Navajo rug weaving with this lesson that integrates indigenous culture, math and art. Students will learn and practice symmetry and create a design in the tradition of the Navajo rug pattern called “Two Grey Hills”.

In this interactive lesson that includes the use of clock manipulatives, students will discover that addition goes beyond straightforward addition problems. Finding the elapsed time is easy with addition!

Your students will learn when to use less than and greater than and how to differentiate the two symbols in this lesson. They will have fun playing the role of the Less Than and Greater Than alligators!

Teach your students to recognize and use the associative property of multiplication.

Marie Curie’s monumental achievements in chemistry and physics are remarkable. In this lesson, your students will read two accounts of her life, integrate the details, and assess the importance of having more than one source of information.

Give your ELs concrete experience with adverbs and adverbial phrases as a tool to discover details in nonfiction texts. Use this as a stand-alone lesson or as support to the Hey! What's the Big Idea? lesson.

July 4, 1776, was an important day in U.S. history because an important document was signed. Use this civics lesson to help young historians learn about the purpose of the Declaration of Independence.

This experiment is a fun lesson that captures the ears, eyes, and minds of students! It combines writing, reasoning, predictions, and teamwork with candies and soda to produce a memorable lesson on chemical reactions and energy.

In this 2-day lesson honoring Indigenous People’s Day, children will learn about powerful Native American leaders, how they led and what they stood for. Students will actively engage in research, art integration and presenting to peers.

The English language has some tricky rules on when to use the definite article "the" and when not to use it. This lesson teaches your students some of the rules for when to use the definite article "the" with geographical nouns.

This comprehensive multiplication lesson gives your students an overview of three different methods for finding products. It features a colorful slideshow and is sure to keep young learners engaged.

Help your students subtract with confidence by sharing two different strategies. Use this lesson to build on students’ understanding of subtraction and to evaluate this key skill.

In this lesson, students will develop an understanding of communities and will learn how to locate their communities on a map.

Understanding the difference between fact and opinion is a critical skill. Your students will practice differentiating between facts and opinions in nonfiction texts and will apply the skills they learn to write their own statements.

In this engaging, hands-on lesson, students solidify their understanding of place value by adding and regrouping two-digit numbers using M&Ms.