This lesson is designed for fourth graders to practice their skills with the order of operations along with multiplying fractions and adding or subtracting decimals.

Do your students understand the power of 10? This lesson will allow your students to see the utility of the power of 10 in mathematics and come to a concrete conclusion of how 10 impacts the value of mathematical equations.

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 kids master fractions with the fun, fast-paced, math comparison game Fraction Wars. After a review, students are split into pairs to practice quickly comparing fractions with different numerators and denominators.

Teach your students to add and subtract time using number lines. Your class will be gladly moving backwards and forward to the minute solving for related word problems.

Help your students visually represent equivalent fractions! Use this lesson on its own or or as support to the Show Me Equivalent Fractions! lesson.

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.

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.

This lesson helps your students become confident mathematicians when it comes to representing fractions visually in a variety of ways. Use this lesson as a pre-lesson to Fraction Hunt or teach it independently.

Teach your students how to use a variety of representations when creating and solving word problems. Simple acronyms and visual aides help make learning multiplication a breeze.

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.

Use this lesson to help your ELs quickly find information on a specific topic by looking for a noun and its pronouns in a nonfiction text. It can be a stand-alone lesson or used as support for the lesson Ecosystems Explained.

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.

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.

This lesson helps students break down the different components of a word problem with decimals so that English Learners can succeed in solving them. Use it on its own or as support for the lesson Giving Gifts: All About Decimals.

Make division come to life with this hands-on, introductory lesson on the operation of division! Students will use authentic problems and manipulatives to experience division in action.

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.

Encourage students to explain their processes when converting from a mixed number to an improper fraction, and back again. Use this lesson on its own or as support to the lesson Single Strategy for Adding and Subtracting Mixed Numbers.

Encourage students to explain the relationship between decimals and fractions to help them with future computations. Use this lesson on its own or as support to the lesson Area with Decimals and Fractions.

Help students visually represent multiplication with mixed numbers and whole numbers. Use this lesson as a standalone lesson, or as support for the lesson Multiplication of Mixed Numbers with Area Models.

Challenge students to decompose numbers within multiplication expressions. Use this lesson as a standalone lesson or as support to the lesson Solving Expressions in Word Problems.

Motivate your students by engaging them in a competition! In this lesson, your students will review and practice multiplication strategies.

Give your students a good basis in interpreting data with this lesson that teaches them about mean, median, and mode with plenty of practice and cute videos to keep them interested.

Teach students that order matters with this lesson about PEMDAS. Students will practice both in a group and individually to ensure their understanding.

In this tactile lesson, students will understand how decimals relate to a whole number by using base 10 blocks in a whole new way!

Which number doesn't belong? This lesson requires students to think critically as they determine which number is not a factor of a particular number. Teach it on its own or as support for the lesson Factors Over the Rainbow.

Make equivalent fractions matter in the real world with this hands-on math lesson! Students use measuring cups and spoons to recognize and generate equivalent fractions.

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.

Help your students master decimals with this engaging math lesson. Your class will put their art skills to work creating a poster, and will practice mathematical explanations through peer collaboration.

This lesson combines students' knowledge of US geography and their creative writing skills in one fun activity!