Let's play jeopardy! In this interdisciplinary lesson, students learn about American rivers, create game questions about the rivers, and then play the game.

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.

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.

According to research about growth mindsets, certain kinds of praise can stifle growth, while others promote learning and achievement. In this lesson, students will be able to identify and use praise words that support growth mindset.

Teach your students about symmetry with real life objects! Have them draw lines of symmetry for various shapes, food items, and objects.

A calm jar works as a visual reminder when teaching emotional regulation techniques. In this lesson, students will practice mindfulness of emotions and create a class calm jar together as a class.

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

Windmills have been around for generations to grind food and create energy. During this challenge, students will use various materials and put their engineering skills to work by creating their own windmills.

Help your students understand the connection between skip counting, multiples, and multiplication with this lesson. Teach it on its own or use it as support to the lesson Clap Counting with Multiples.

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

Making mistakes helps us learn! Your students will flex their analytical muscles to pinpoint errors in multiplication problems using arrays. Use the lesson on its own or as support to Base Ten Arrays for Multi-Digit Multiplication.

Idioms can be a pain in the neck to understand! Help your students become acquainted with many of the English language's funny and confusing idioms in this lesson that has them using their creativity to act out or illustrate idioms.

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.

Help your students see the variety of strategies they can use to compare fractions! Students will compare their strategies with that of their classmates. Use this lesson on its own or use it as support for the lesson Fraction Wars.

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.

Get your students comfortable discussing their math thinking in converting centimeters to meters. This lesson may be used on its own or as support to the lesson Converting Metric Measurements to Decimals & Fractions.

Let's talk factors and products! Teach your students the factor tree strategy for finding all factors of a product. This lesson can be taught on its own or used as support to the lesson Divisibility Rules.

Let's solve multi-digit division problems! Students will feel more confident with their division than ever with this lesson that helps them practice dividing multi-digit numbers.

Finding the least common multiple is an essential skill for comparing, adding, and subtracting fractions! This lesson introduces students to this concept in an interactive way.

Get your students to enjoy the fall weather while making beautiful leaf patterns inspired by Andy Goldworthy.

In this lesson, students will watch a video on growth mindset and work in pairs to share their ideas about growth vs. fixed mindsets. They will then collaborate to design their own skits about growth vs. fixed mindsets.

Get students moving with this interactive lesson! They will use real objects to act out skits while practicing their division skills. This lesson can used on its own or as support for the lesson Introduction to Division with Remainders.

Most comparatives and superlatives are pretty intuitive, but the exceptions can be tricky. This lesson will have your students practicing the most common and misused comparatives and superlatives.

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.

Motivation, perseverance, and grit are all key in learning and in the classroom! In this lesson, students will explore the term "perseverance" and research ways they can stay motivated in school and in their lives.

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.

Context clues are a powerful tool for all readers! Use this lesson to teach your students how to utilize context clues to determine the meanings of unknown words.

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

Students will practice mental math and harness their discussion skills through addition problems of like mixed numbers. This lesson may be used on its own or as support for the lesson Adding Mixed Numbers Using the Decomposition Strategy.

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.