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 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!

Multiplication is no longer a mystery when it is partnered with addition! Help your students make connections between multiplication and repeated addition with this hands-on lesson that includes several types of concrete examples.

Teach your students how repeated addition relates to multiplication. This lesson builds number sense and supports a conceptual understanding of multiplication.

Make addition with regrouping easy with this lesson plan that makes the task a visual learning experience.

Students will find angle sums using a baseball diamond diagram.

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.

This lesson helps students develop an ability to compare and contrast as they explore two strategies to solve three-digit addition problems. This EL Math lesson can be used alone or alongside Three-Digit Addition Strategies Review.

Students are at the center of learning as they create and illustrate their own Halloween math problems that show the relationship between addition and multiplication - helping them transition conceptually from the concrete to the abstract.

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.

With this pastry themed lesson, your students will apply addition strategies to solve two-step, three-digit addition word problems. Finding the solutions will be sweet!

In this St. Patrick's Day lesson, your students will play the card game memory! Students will create their own cards using addition math facts within 100 and apply different addition strategies to increase their fluency as they play.

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.

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.

Students will create angles by folding construction paper, creating angle addition sentences, and then adding the sum of angles on their models.

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

Finding the perimeter of a polygon is a simple process with addition! Use this lesson to teach your students how to find the perimeter of polygons.

Guide students to use base ten blocks to solve two-digit by one-digit addition problems with regrouping. This lesson can be used independently or paired with the lesson Adding it All Up.

Hop into multiplication! Introduce your class to times tables with this engaging math lesson. Students will read about the correlation between repeated addition and multiplication, and then create hands-on book pages to illustrate it.

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.

Lay the foundation for multiplication by introducing your second graders to the concepts of skip counting and repeated addition. This lesson can be used alongside Up, Up, and Array, or separately to reinforce these important skills.

This scaffolded EL lesson will help your students fluently add within 20, while reinforcing parts of a whole. Use as a pre-lesson for Addition: Over in a Flash, or as a stand alone activity.

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.

Word problems can be overwhelming to students, but if they have a tool to help them, they can handle it! Use this as a stand alone lesson or alongside Stepping Through Addition and Subtraction Word Problems.

With this movement-integrated lesson, students will use their energy to practice three-digit addition on a number line! Part of this lesson is designed for the outdoors, but the activities can easily be brought inside on a rainy day.

While there are many strategies out there to choose from, help your students focus on the number line strategy for solving elapsed time word problems. Use this lesson independently or alongside Beyond Just Addition.