Your students will become junior math detectives as they hunt down the missing side of a rectangle by applying the area formula for rectangles. The only clues they have are the rectangle's area and the measure of one side.

In this lesson, your students will calculate and illustrate area for rectangles using area models, where one side length includes a fraction.

Finding the area of a rectangle is a key measurement skill to know. In this lesson, your students will enjoy practicing this skill by determining the area of their classroom.

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.

In this hands on lesson, students create squares with different fraction pieces while building their knowledge of adding fractions with different denominators.

Students will begin to calculate volume of different rectangular prisms using base ten cubes and then transition to using the formula V = L x W x H. Students will then practice using the legendary fifth grade activity, Cootie Catchers.

Use this lesson plan to teach your students to illustrate division as multiplication using number lines.

Facilitate rich math conversations with this lesson on finding the missing information in problems related to the area of rectangles and squares. It may be taught by itself or used as support to the lesson Finding Area: Furnishing A Room.

Students will learn to convert metric units by applying concepts in word problems. Exercises and worksheets incorporate length (meters), and optional practice offers more instructions on mass (grams) and volume (liters).

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.

Teach your students to subtract mixed numbers with like denominators using the strategy of decomposition. This strategy helps students to manipulate and break down numbers to help them solve tricky subtraction problems.

Teach your students to create equivalent fractions by multiplying by different fraction forms of 1 whole like 2/2 or 4/4. This lesson also includes drafts of area models.

Imagery is one of the most important tools in a narrative writer's arsenal. In this lesson, students will will learn to craft vivid scenes by selecting powerful verbs and adjectives, as well as to critique descriptive writing using the same criteria.

Go to any length to test your students' understanding of perimeter calculations. Students will use their understanding of the perimeter of rectangular shapes to create rectangles that have different side measurements but equal perimeters.

Teach your students to find the perimeter of polygons using real world examples. They will make polygon pictures using tangrams and practice finding the perimeters of the polygons in their masterpieces.

Use this lesson to help your ELs use information from text features to better understand the text. It can be a stand-alone lesson or a support lesson for the Text Features: Reading that Makes Sense lesson.

Articles are a simple yet critical part of speech. This lesson helps your fourth graders distinguish the three articles and understand how to use them correctly in sentences.

Knock, knock! It’s the U.S. Census Bureau! In this lesson plan, students analyze primary sources in the form of census data to do research that helps them answer questions about famous people and the time period during which they lived.

Students will find angle sums using a baseball diamond diagram.

Teach your students to calculate fractions of 100 using a number line model.

Students will learn how knowledge of word parts can help readers determine the meaning of words. This interactive lesson will have students reviewing and putting into practice some of the most common prefixes.

Start a dialogue around area models! In this lesson, encourage students to ask questions as they multiply using area models. Use this lesson on its own or as support to the lesson Area Models and Multiplication.

Strengthen your students' understanding of cubic units and volume! They'll solve a realistic problem and explain key ideas about volume. Use this lesson on its own or use it as support for the lesson Volume and a Building.

Students will have fun engaging in activities that develop their ability to write sequential step-by-step directions. This lesson helps young learners with being detailed and using transition words in their writing.

Teach your students to organize and solve multiplication word problems using a part-part-whole model.

Give your readers the tools to decipher the meaning of Greek and Latin based words. In this lesson they review the meaning of commonly used prefixes, suffixes and roots and then practice constructing and deciphering words.

Teach your students to draw an array using base ten notation to solve multiplication problems with two two-digit factors.

Learn to use text formatting tools like capitalization, bold, underline, and italics to give emphasis to your writing.

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.

It’s time to learn a new strategy! Teach your students to use the partial quotients strategy to solve long division problems with one-digit divisors and no remainder.