Number facts are related, just like families! Help students learn all about fact families while they make fact family trees!

In this lesson, students will practice strategies of subtracting time and apply them to real life scenarios. Also, use this game with the lesson that teaches addition of elapsed time called Beyond Just Addition.

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.

In this leafy, plant-themed lesson, students will use leaves as they practice recognizing various numbers from 1 to 15. This lesson can be easily adapted for use with specific ranges of numbers.

Do your students live for Shark Week? Help them prepare with this lesson that teaches them about all the different kinds of sharks and has them color and create their own sea!

Tasty subtraction! Your students will have a delicious time learning to subtract with a treat they can eat when they are finished.

10 is an important number in math! In this lesson, your students will build an understanding of what 10 really means and the many ways to make 10.

In this lesson, your students will explore the world through a variety of picture books. They will examine a variety of themes through each text that they read and determine any common themes among the texts.

Second graders know about plural nouns, but things get trickier when they are introduced to irregular forms. In this lesson, students will receive an introduction to irregular plural nouns.

Your students will go bonkers for bingo as they play this baffling multiplication game! Who will get five in a row first?

Help your students discover the power behind base ten drawings! Regrouping is a challenge for many students, but with this hands-on lesson, your students will be empowered with a new strategy to tackle difficult regrouping problems.

In this lesson, you will read the heartwarming story of Bun Bun Button by Patricia Polacco to your class. Students will then use their own reading skills to describe the two main characters in the story.

Make some noise by counting! Help your preschoolers count from one to 10 while strengthening their fine motor and interpersonal skills.

It’s time to start adding and subtracting with word problems! In this Easter-themed lesson, students will get to practice their reading and math skills as they figure out how to write equations and solve addition and subtraction word problems.

Teach your class about the relationship between numbers and quantities with this lesson that has students use their counting skills to match a number of objects with their written value.

Using tactile learning, students will love practicing their counting skills in this engaging lesson plan. Can be used as a stand alone or support lesson for the Blooming Numbers lesson plan.

Let students stretch their problem solving skills in this lesson that teaches them how to solve problems where one-digit numbers are multiplied by multiples of 10.

In this cooperative economics activity, students learn about the division of labor in a real way. Students will be able to see first hand the advantages and disadvantages of the division of labor.

Countdowns are a big part of the holiday season. Help students practice their counting down skills and get in the Christmas spirit with this fun math lesson!

Teach your students about symmetry with real life objects! Have them draw lines of symmetry for various shapes, food items, and objects.

Using base ten blocks, cards, and clear cups, your students will practice the concept of borrowing for subtraction problems in this lesson.

In this lesson, students will find the perimeter of figures using cheese crackers. Next, they'll design a floor plan for their cheese cracker dream house, to help them practice and retain the formula for finding perimeter.

What's the difference.... between two numbers? Play this fun game to get students talking and practicing subtraction. Use this scaffolded EL lesson plan alone or alongside Subtraction Card Sharks.

Let’s start building numbers! Just as building skyscrapers is a visual representation of mathematics, students will use the visual representation of base-ten blocks to add—or build—onto a two-digit number.

Let's play jeopardy! In this interdisciplinary lesson, students learn about American rivers, create game questions about the rivers, and then play the game.

Put your school on the map! Students will have fun creating an atlas of their very own school that includes maps and reference details.

Build a strong foundation in place value with a fun game where students create groups of ten as they race to 100. Can be used alone or with the lesson plan Place Value Party.

Making mistakes helps us learn! Your students will flex their analytical muscles to pinpoint errors in multiplication problems using arrays. Use the lesson on its own or as support to Base Ten Arrays for Multi-Digit Multiplication.

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.

Help your students understand rounding without rhymes or tricks. Students will use an open number line to round and then take part in a fun game that will get them moving around the room.