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.

Adding fractions with unlike denominators just doesn't work like it does when the denominators are the same. Let's make it work! Students will add fractions with unlike denominators with sums between one and two.

Get your students comfortable with discussing multiple strategies to solve subtraction problems with this lesson on two- and three-digit subtraction. It may be taught independently or as support for the lesson Subtraction with Regrouping.

In this support lesson, your students will compare and contrast character traits using a graphic organizer. It can be a stand-alone lesson or used as support for the lesson Comparing Two Characters.

All fictional stories have story elements but they sure can differ between stories. In this lesson, students will compare and contrast the story elements of two fictional stories and document their findings in a graphic organizer.

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”.

Your ELs will compare and contrast two similar stories while strengthening their grammar skills related to noun and pronoun agreement in this lesson. Use it as a stand-alone lesson or as a precursor to the lesson Venn Diagram Collage.

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.

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.

So many students love to read books in a series but they don't give much thought to what a series really is. In this lesson students discover the two kinds of book series and apply classifying criteria to examples in the library.

Solve for the sum of two mixed numbers! They will use scaffolds such as fraction models to support the visualization of mixed numbers. This can be used on its own or as support for the lesson Sums for Mixed Numbers and Improper Fractions.

Help your ELs see the connection between nouns and pronouns and the author's point of view, or perspective, in fiction and nonfiction texts. This lesson can be taught on its own or used as support for the lesson Two Points of View.

In this lesson, students will listen to, discuss, and understand two perspectives on a difficult situation. They will flip a coin, with each side representing one side of the story, and role-play the perspectives and reach a resolution.

Sor Juana Inés de la Cruz was a 17th century writer and philosopher who today is considered one of the first documented feminists and advocates for women’s education. In this lesson, students will read two nonfiction texts about Sor Juana and discuss her life and accomplishments before writing an opinion piece about her.

Have students justify their thought process in this lesson about order of events. This lesson is a great way to start discussing the importance of understanding causal relationships to fully understand chronology in fictional texts.

What’s unique about abbreviations and acronyms? In this lesson, students will learn the mechanics of using abbreviations and acronyms, including how they are similar and different.

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.

Use this lesson to give your students an opportunity to share about their family traditions. Prior to the lesson, they'll complete a worksheet to gather information about the way their family honors their culture and beliefs with traditions. They'll bring their information back to the classroom to share with their peers.

Walk, sleep, run, eat! We're constantly using energy, whether we're moving or not. In this lesson, students learn how their bodies are constantly converting potential energy into kinetic energy and kinetic energy back to potential energy.

Introduce your students to three sentence structures. In this exercise, students will participate in a reading scavenger hunt as they look for different types of sentences in a short story.

Students will practice coming up with equivalent fractions in a fast paced challenge! This is an introductory lesson to equivalent fractions.

Make the number work for you! Use this lesson to teach your students to add mixed numbers with like denominators using the strategy of decomposition.

Does chaos ensue when your students subtract like mixed numbers and the larger fraction has a lesser numerator? Using this lesson plan, teach your class how to overcome this tricky obstacle: When having like denominators isn’t enough!

In this lesson, your ELs will learn how to differentiate statements of fact and opinion in a nonfiction text using adjectives as a foundation for their understanding. This is a support lesson for Research: Where to Find the Answers.

Illustrating products for fractions with arrays is fun! Use this lesson plan to teach your students to visualize products as arrays when faced with multiplying fraction factors.

Students will have a blast deepening their understanding of the order of operations, with this lesson which incorporates an interactive team game.

In this lesson, students will use conjunctions to compare and contrast scary stories. It can be taught independently or used as a pre-lesson to Using Story Elements to Compare and Contrast Fiction Texts.

Frederick Douglass was an influential black man in U.S. history. In this lesson, the historical context is set for students so that they can conduct their own research on Frederick Douglass, using a graphic organizer and multiple sources, before writing an informational essay on him. Ideal for fourth and fifth grade students, this lesson plan not only gives students practice in research and essay-writing skills, it also has them exploring a fascinating part of our country's history.

Children often wonder if algorithms are practical. Using this lesson plan, your students will see how the standard algorithm for adding mixed numbers brings life to real world real-world situations.

Teach your students to predict and explain features of scaled regular shapes.