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.

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.

Critical thinking demands making inferences and having proof. Use this lesson plan with your students to teach how to infer author’s perspective and cite supporting quotes from text.

Algebra concepts can be challenging for students in upper elementary and middle school. This lesson introduces students to the idea of a missing or unknown number while also considering the order of operations.

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 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.

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.

Input some patterns to T-charts in this lesson. Use this lesson about input and output boxes as a precursor to finding patterns within word problems.

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.

Teach your students to use tape diagrams to solve equations involving whole numbers and fractions.

What's up with prepositions, anyway? Help your fifth graders get a leg up in grammar. In this preposition lesson plan, students will identify prepositions and use them to write complete sentences.

Practice calculating perimeter with the placement of carnival-themed games with given rectangular dimensions. Your students will use grid paper to determine the location of all the games they choose to make the perfect carnival.

Planning for a substitute teacher in the classroom has never been easier than with this week-long sub packet for fourth grade! Your substitute can supercharge learning with lessons that will educate and inspire your students!

Who doesn’t love a good riddle?! Using this lesson plan, your students will solve a puzzle while learning to read, write, and compare decimals to thousandths.

This lesson gives students practice identifying first person and third person narration in fiction and nonfiction texts. It could be taught as a stand-alone lesson or as a precursor to the lesson Fiction vs. Nonfiction.

Use this fun and easy lesson plan to teach your students to predict and calculate dimensions for shapes to scale in sets.

Act it out! Your students will have fun guessing and acting out adverbs in this engaging grammar game. As you progress through this adverb lesson plan, your students will have the opportunity to identify and use a variety of adverbs.

Verbs are the only kind of word that have tenses. Some of them are standard and easy to learn, while others are irregular and tricky. This lesson will review verb tense changes that follow the regular pattern and those oddballs that don't.

Some verbs follow rules when converted to different tenses, and some verbs do their own thing. This lesson has students not only converting irregular verbs but also applying this skill by using their new words in a story.

This lesson combines an introduction to biomes with some fun Venn diagram exercises. Not only will students learn more about nature, they'll also learn how to make comparisons between different things in nature.

Do your students know they speak and write with prepositional phrases? Use this lesson plan to explicitly teach spoken and written prepositional phrases!

Is it fairly accurate there is a 100% chance that trying to teach your students about oxymora is controlled chaos? Your students will find their lack of knowledge growing smaller after this teacher-approved figurative language lesson.

This lesson includes a bunch of hands-on activities to get little writers excited about complete sentences. After learning about subjects and predicates, students will tackle the challenge of writing their own sentences and fragments.

What's the grammar rule? In this subject-verb agreement lesson plan, you will introduce your students to the basics of subject-verb agreement with one simple rule.

Get your students excited about geography with a lesson on Earth's oceans. After reading two different texts, they'll be ready to dive right into ocean paragraph writing.

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

Encourage student explanations and visual representation of fraction subtraction in this interactive lesson. Use this lesson on its own or as support to the lesson Modeling Mixed Number Subtraction.

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.

A deeper comprehension of clauses and conjunctions will help your young writers understand the building blocks of language. Practice with conjunctions will also help them create more complex sentences and correct run-on sentences.

What’s the problem? Teach your students to identify the problem and solution in a piece of fiction.