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.

How are plants’ traits affected by environmental factors? In this integrated science and reading lesson, students will use multiple sources to identify and determine how traits are influenced by the environment.

Help your students become detail-oriented mathematicians as they explore two strategies for multiplying a one-digit number by a multiple of 10. Use this as a stand alone lesson or alongside Multiplying by Multiples of 10.

Create conversations about character changes! Use this lesson plan as a stand-alone lesson for practicing sequencing words in evidenced-based claims about a character, or before the Characters Change Just Like We Do lesson.

Teach your students the difference between facts and opinions, and why an author would choose to use each type of information. This can stand-alone or be used as a pre-lesson for the Exploring Author's Purpose and Point of View lesson.

Let’s put it all together! In this lesson, students will explore the different parts of a drama or play. By the end of the lesson they will be able to define terminology related to plays and give examples of the unique genre features!

Support your students' math fluency by teaching them about the relationship between multiplication and division through fact families. This lesson can stand alone or be used as a pre-lesson for the Do You Know Your Math Facts? lesson.

Use this lesson to teach your students about the strategy of skip counting. It can stand alone or be used as a pre-lesson for Multiply by 5.

It's not enough to just memorize the multiplication table! It helps students to know how to explain their strategy to find the product too. Teach this lesson on its own or use it as support for the lesson Slap and Roll Timed Multiplication.

Allow your students to explore the pros and cons of different strategies used to find the area of rectangles. Use this as a stand alone lesson or as a pre-lesson for the Multiplication and Area in the Community Garden lesson.

Use this lesson to teach your students how to determine if they should use addition, subtraction, or both operations to solve a word problem by following four simple steps.

Support your students' comprehension of perimeter word problems by teaching them to use an engaging strategy and graphic organizer. This lesson can stand alone or be used as a pre-lesson for Polygon Perimeters with Tantalizing Tangrams!

Bring on the polygons! Your students will build their understanding of polygons and sort shapes into categories based on their attributes in this lesson.

You need the length and the width to find the area of a rectangle or square, but what if one piece of information is missing? Use this lesson alongside What's My Area? or on its own.

Why make things harder on ourselves? Teach your students to decompose numbers to make math easier! Use this as a stand alone lesson or a pre-lesson for Decompose to Multiply: 6, 7, 8, and 9.

In order to build a strong foundation with fractions, students should be able to explain the concept and their thinking. Use this as a stand alone lesson or as a pre-lesson for Let's Play Equivalent Fractions!

Teach your students how to reflect upon the information in multiplication and division word problems before solving them. Use this lesson on its own or as a pre-lesson to Stepping Through Multiplication and Division Word Problems.

Support your students as they collect, organize, and discuss measurement data! Use this lesson independently or alongside Making Measurements for Line Plots.

The ability to analyze the component of a word problem is an important foundation for young mathematicians. Use this as a stand alone lesson or alongside What's the Problem?