Help your students use rulers in the classroom with this lesson! Encourage them to measure items around them using centimeters to understand shapes and sizes.

Make a human number line! Teach your students how to order decimals and culminate with an engaging whole class activity.

Cha-ching! Your students will take their new skills to the bank when you teach them to compare decimals using coins. This lesson plan focuses on comparing decimal numbers to the hundredths place.

Get your students excited and test their knowledge of comparing decimals with this fun decimal "war" game!

Let your students decorate their own room with this lesson that has them use area to place furniture in a room.

Have your students evaluate orally and in writing what happens to expressions when there are two or more operations. Use this lesson as a standalone lesson or as support to the lesson Express Yourself.

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.

Students will love learning how to compare numbers with Ali the alligator in this fun lesson all about number comparison! Use this as a stand alone lesson or alongside Comparing Numbers: Marshmallow Math

Your students will feel confident in their rounding abilities after this lesson that has them learn how to round numbers to the nearest ten both individually and with a group.

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.

Students will love using race cars to practice their counting and ordering skills in this fast paced lesson! Can be used as a stand alone or support lesson for the Mystery Numbers lesson plan.

Get your students moving while practicing their multiplication facts! Bring an old favorite to the classroom as students move about and work problems out. This is a fun way to incorporate movement and learning with a twist.

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.

Strengthen your students' understanding of cubic units and volume! They'll solve a realistic problem and explain key ideas about volume. Use this lesson on its own or use it as support for the lesson Volume and a Building.

Help your students get creative as they apply multiplication skills to find the area of a community garden of their own design! In this lesson, students will practice finding the area of a rectangle within a real-world context.

This bear-y fun lesson will help your students understand addition and subtraction and reward their efforts with a sweet treat!

Now that your first graders are able to count consecutively, introduce them to the tens and ones place values. Using tens and ones blocks will make math easy and fun for everyone!

Facilitate an exploration and comparison of multiplication strategies for your students to see the variety of ways to solve the same problem. Use this lesson on its own or teach it prior to the lesson Multiplication: Musical Chairs.