This lesson on perimeter will let your students walk around the class to see the border, use a measuring tape to measure the walls in their classroom, and enable them to understand how math is related to real life!

Let your students learn how to find the area of rectangular objects by doing hands-on activities. Your students will love finding the area of various rectangular objects around the classroom!

Students will become more familiar with common metric measurements by matching everyday objects with the metric mass and volume units they would use to measure them.

Get your students explaining estimations and measurements of liquid volumes and masses of objects! Use this lesson independently or alongside Estimating Measurements of Mass and Volume Using Metric Units.

Get your students talking about how they can apply the concept of perimeter to real life. Use this lesson independently or alongside Find the Perimeter: Real Life Objects.

What do a bicycle and a car have in common? They both move using the simple machine wheel and axle. In this lesson, students learn about how this simple machine works, and will identify objects that use a wheel and axle.

Come on in, the water’s fun! In this activity, students see the water cycle in action with ordinary objects and learn the water the dinosaurs tasted is still around.

One of the basic concepts in science is recognizing that all things can be classified as living or nonliving. In this lesson, your students will explore the characteristics of living and nonliving things with engaging hands-on activities.

What is recycling all about? What can and can't be recycled? What can I do to help others understand the importance of recycling? This activity helps students answer all of these questions as they learn about saving planet Earth.

Your students will be introduced to the concept of a main idea in this fun lesson using props to support their thinking.

What is the intention of an indentation within a paragraph? Within this lesson, students will explore the reasons why we indent. They’ll categorize and classify content to construct paragraphs that include indentations.

This lesson introduces students to measuring and estimating liquid volume, using liters (l) as the standard unit of measurement.

Multiplication is no longer a mystery when it is partnered with addition! Help your students make connections between multiplication and repeated addition with this hands-on lesson that includes several types of concrete examples.

Make it move! In this lesson, students will learn about energy and make connections between force and energy. Through a hands-on approach, students will work in teams to construct and report on their experiments.

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

This lesson is a beautiful twist on the classic still life with contrasting colors and bold outlines!

Do you plan on being out of classroom soon? With this thorough sub plan, your classroom's substitute will be prepared to keep your third graders learning in your absence. It includes lessons, worksheets, and activities that cover math word problems, reading and writing skills, and more.

In this lesson, your students will explore the properties of solids and learn to describe them in various ways.

Give your class the "write" stuff! In this lesson, your students will learn to master combining sentences using sentences with the same subjects or predicates.

This lesson allows students to explore the concept of multiplication hands on. Kids will also come to understand why multiplication is important as well as how to solve multiplication problems using array models.

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.

This lesson incorporates different learning styles to help students get a firm grasp of what a noun is and its function. It even highlights the important tie between grammar and writing.

Students will become more familiar with common metric measurements when working with mass and volume. In this lesson, kids tackle three worksheets to practice solving one-step metric unit word problems.

Get your students excited to learn about fractions with this hands on lesson. Working in groups will help students learn from each other and share ideas.

Fractions can be tricky, but looking at them visually can help your students understand them. This lesson will help students with equivalent fractions, number lines, and making real world connections.

Use this lesson to teach your students to describe the characters' actions using the basic sentence structure of subject + verb + object. This lesson can stand alone or be used as a pre-lesson for the How Do You Solve a Problem? lesson.

Do you want an interactive lesson that puts all the decision making in the palm of your students' hands? Supply and demand is a fun, interactive, and hands on activity that will help your students understand economics on a smaller scale.

Oink! Bark! Crash! Onomatopoeia help students write in richer, more descriptive ways. This lesson teaches students how to incorporate sound words into their vocabulary.

Help your class grasp the concept of "main idea" with this fun, hands-on lesson. Students will dive into mystery bags full of supportive detail clues to determine the main idea of each bag.

Students journey on a scavenger hunt around the school to put their knowledge of the Five Themes of Geography to the test!