Teach your students to round to the hundred thousands place with this straightforward lesson.

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.

Roll up your sleeves and get out the magnifying glasses! In this lesson, your students will practice finding supportive details and examples in informational texts.

Teach your students to use bar models and multiplication to find a fraction of a whole number.

The activities in this lesson will engage students in thinking about how a person’s position, needs, and concerns affect their point of view on an issue. Students will apply this to characters in "The Memory String" by Eve Bunting.

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

Teach your students to round decimals to whole numbers to estimate a quotient. In this lesson, students will have so much fun playing the Estimation Station game, they might forget they are learning!

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.

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

Can your students link line plots with fractions? In this interactive, hands-on math lesson, students will learn how to use a line plot to add fractions and solve corresponding word problems.

In this lesson, your students will think about situations that require them to calculate area. Use it as a standalone lesson or as support to the What Is the Area of Your Classroom? lesson.

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.

In this lesson, students will add three-digit numbers using expanded form addition and standard algorithm addition. They'll explain their answers and highlight the steps for each of the strategies.

Teach your students to add and subtract fractions with like denominators using a strategy that works for both operations: converting mixed numbers into improper fractions and back again!

Get students moving in this fun lesson that involves a relay race style game! This lesson focuses on dividing decimals by whole numbers.

Students will learn to convert metric units by applying concepts in word problems. Exercises and worksheets incorporate length (meters), and optional practice offers more instructions on mass (grams) and volume (liters).

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.

Get your students comfortable with distinguishing and discussing prime and composite numbers with this lesson that involves visuals and a card game. Use it as a standalone lesson or as support to the lesson Prime and Composite Numbers.

How well do your students know decimals? In this lesson, introduce your students to decimal multiplication using models.

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.

Getting ready to add fractions? This lesson reviews how to add fractions with unlike denominators using number lines. Students will focus on understanding the process and reasoning behind each step.