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.

In this lesson, students will have fun creating addition sentences by drawing and counting ladybug dots.

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!

Get your students moving with this activity that helps them practice their addition skills while having fun hunting for their next problem.

Get your students excited about basic math with this quirky addition lesson. It contains a bug-themed selection of games and worksheets.

This lesson is a great introduction to the concept of simple addition! After listening to a story, students will complete a sensory activity to try adding on their own!

Encourage your students to take part in some friendly competition with this game that has students practice their addition skills with flashcards.

Use this lesson to review three-digit addition strategies including base-ten drawings, number lines, and the standard algorithm.

Music, hands-on practice, and coloring by number will make this cool addition lesson a favorite! In this lesson, your students will practice adding numbers to five.

Engage your students in a fun, hands-on lesson about addition using a well loved topic—birthday presents!

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

Use this lesson to teach your students how to determine if they should use addition, subtraction, or both operations to solve a word problem by following four simple steps.

Students sketch base-ten blocks in this lesson that builds both number sense and fluency adding to 20!

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.

Connect addition with real-world problem solving as students analyze and solve story problems.

Use a fun card game to practice adding numbers in this fun hands-on addition lesson!

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.

It's time for some fun with grid puzzles! In this lesson, students will learn how to solve KenKen puzzles using logic and applying their knowledge of addition, subtraction, multiplication, and division skills.

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

Practice finding unknown numbers in addition equations using fun and silly word problems.

Delicious multiplication! In this sweet lesson, your students will learn how to relate multiplication to repeated addition using candy counters.

Use a sweet treat to help students do hands-on math! Students will practice their addition skills in this yummy activity.

In this hilarious math lesson, students will learn about addition patterns of one more using animal feet to guide them!

Use this engaging mystery bag lesson to practice addition patterns of one more with your curious kindergarteners!

Get out the dominoes! This fun lesson help students visualize how addition and subtraction are related, all while building their fact family fluency.

Use this lesson to introduce composing and decomposing as part of your students’ addition and subtraction toolkits.

Who doesn't enjoy collecting objects from outside? Use your students' natural curiosity to spur interest in math. Your students will have fun outdoors collecting natural objects to practice addition!

Roll some dice to introduce the early concepts of associative and commutative properties in addition by composing and decomposing 10. Worksheets and a quiz are included!

Make a math mystery! In this lesson, help your students understand the relationship between addition and subtraction and how a missing addend word problem is represented with a number sentence.

In this lesson, your students will use repeated addition to find the total number of objects in arrays. This lesson will help your students build upon the skills needed to learn multiplication.