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.

Emphasize student understanding and reasoning! This lesson plan helps learners solve story problems using sense-making strategies. This can be used alongside the lesson Solving Word Problems or as a stand-alone lesson.

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.

Help your students create a basis for future math classes with this lesson that teaches children about math expressions and how they can interpret them.

This tasty lesson will teach second graders about fractions using cookies.

Encourage student explanations and visual representation of fraction subtraction in this interactive lesson. Use this lesson on its own or as support to the lesson Modeling Mixed Number Subtraction.

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.

In this lesson, you will teach your students how to count money to buy small items! Show students which coins they can use to buy their lunch and other small items in the classroom.

Extend your students' understanding of data by asking them to consider real-world problems about data collection and graphs.

Students will get to explore three-digit numbers through base-ten blocks and written form. Students will get plenty of practice identifying the place values of a number both individually and with the class.

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

Buzz, buzz! Can you count the five busy little bees? In this bee-themed lesson on counting and number recognition, students will use bees to learn how to count the numbers one through five.

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.

Activate your students' observational skills by having them analyze a chart of the powers of ten! Use this lesson on its own or as support to the lesson Powers of 10.

During the Chinese New Year, giving red envelopes full of money is a custom that symbolizes good luck. Use this lesson to teach your students about holiday traditions as they practice counting money.

Fill ‘em up! This lesson teaches students to compare how much different containers can hold. Get ready for some overflowing fun!

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.

Get your students up and moving as they learn the basics of geometry. Your competitive students will love this game and put their new skills to the test with a worksheet.

Double dominoes! Get your students excited to add with dominoes and playing cards. This lesson is a fun way to help your students continue to learn to add.

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

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

Use this hands-on lesson to encourage collaboration amongst students as they review base-ten numerals, number names, and expanded form. This lesson can be used as a pre-lesson to Base Ten Block Party or as a stand-alone activity.

Kids love trains! In this fun locomotive inspired lesson plan, your students will get lots of practice ordering numbers.

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.

Make multiplying by powers of ten more accessible to your students by focusing on patterns in the number of zeros!

Help your students learn to count money with this teacher-approved lesson. They'll love learning how much their favorite things are worth.

Engage students in learning about data by analyzing picture graphs, then collecting data from classmates and making their own graphs!

Help your students find their fraction families with this lesson that sends them searching for their equal fraction pieces!

More or less? In this hands-on lesson, your students hone important fine motor skills and learn how to compare quantities.

In this lesson, students will gain and use knowledge of expanded fraction form to play a fun card game involving rounding.