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.

While memorization is important when it comes to multiplication facts, a foundation of understanding is key, too! Use this lesson on its own or as a pre-lesson for Hands-On Multiplication.

Sor Juana Inés de la Cruz was a 17th century writer and philosopher who today is considered one of the first documented feminists and advocates for women’s education. In this lesson, students will read two nonfiction texts about Sor Juana and discuss her life and accomplishments before writing an opinion piece about her.

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.

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.

With this lesson, your students will see how the order of the factors does not affect the product in a multiplication expression. Use this on its own or alongside You're On a Roll! Practicing Multiplication Facts.

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.

Use this lesson with your students to practice comparing and contrasting the key details in two texts on the same topic. It can be a stand-alone lesson or a pre-lesson for the What's Similar? What's Different? lesson.

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.

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.

Word problems can be overwhelming to students, but if they have a tool to help them, they can handle it! Use this as a stand alone lesson or alongside Stepping Through Addition and Subtraction Word Problems.

Help your students compare and connect two important multiplication strategies: equal groups and repeated addition. This lesson can stand alone or be used as a pre-lesson for Candy Multiplication.

Perpendicular, intersect, parallel! In this lesson, students work in teams to complete a Frayer Model on each of these terms to become masters of geometry vocabulary. Teach this lesson on its own or as support to the lesson What's My Line?

Support your students' math fluency by teaching them about the relationship between multiplication and division through fact families. This lesson can stand alone or be used as a pre-lesson for the Do You Know Your Math Facts? 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.

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.

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.

It's not enough to just memorize the multiplication table! It helps students to know how to explain their strategy to find the product too. Teach this lesson on its own or use it as support for the lesson Slap and Roll Timed Multiplication.

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.

Get your students comfortable with discussing multiple strategies to solve subtraction problems with this lesson on two- and three-digit subtraction. It may be taught independently or as support for the lesson Subtraction with Regrouping.

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.