Your class will love this outdoor activity that teaches them how to compare the capacity of different containers.

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!

In this interactive lesson that includes the use of clock manipulatives, students will discover that addition goes beyond straightforward addition problems. Finding the elapsed time is easy with addition!

Students will learn to model mixed number subtraction with manipulatives using this hands-on lesson plan.

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.

Your students will practice data collection and graphing while learning more about each other. Your data scientists will craft a survey question, collect data from the class, and then create a bar graph to represent their findings.

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.

Give your students a conceptual understanding of three-digit addition with this lesson focused on base-ten blocks and drawings.

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

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

In this lesson, your students will create their own math facts and practice them! They will understand that multiplication and division are opposites.

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.

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.

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.

Use this lesson to introduce the concepts of capacity and volume with young learners. This hands on lesson can be used as a scaffolded pre-lesson to Capacity Comparison.

In this lesson, students will construct their own number lines and bar models to find equivalent fractions.

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!

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).

Teach your students to read time to the nearest five minutes by counting by fives! Use this lesson as a stand-alone support lesson for ELs or alongside Tricky Time Telling.

Use this lesson to introduce the tool of base-ten blocks to your students. This scaffolded EL support lesson can be used as a stand-alone activity, or prior to teaching Three-Digit Addition with Base-Ten Models.

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.

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.

Analyzing and discussing arithmetic patterns builds a strong number sense in your students! Use this as a stand alone lesson or as a pre-lesson for Boom, Clap! Patterns in the Multiplication Table.

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.