In this lesson, students will explore the characteristics of arrays and find out why they are important. Use this lesson independently or alongside Come Array With Us!

Help students gain a better understanding of three-digit numbers by providing students with opportunities to compare sets of three-digit numbers. Use as a stand-alone activity or alongside the lesson Building My Math Fluency.

Use this lesson to support students in learning how to write three-digit numbers as number names. This scaffolded EL lesson can be used alone or as a pre-lesson for All About Three-Digit Numbers.

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 will get a chance to use multiple methods to compare three-digit numbers. They will also get practice using greater than and less than symbols to show their answers.

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

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.

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.

Students will love learning about patterns of one less using puppets! This can be used as a stand alone or support lesson for the How Big is Your Tower? lesson plan.

Help students use a 100 chart while discovering patterns of one more. This fun lesson will help students find connects between numbers and gain fluency with numbers within 100.

Do your students ever want to just hurry and finish their homework? Your students can use the number line jumping strategy to quickly add two-digit numbers and show their understanding of place value and expanded form in the process.

Will one be left out? Students will practice creative problem solving as they strive to answer this question and determine whether a group is even or odd.

Use this handy lesson plan to practice the concept of adding one! Can be used as a stand alone or support lesson for the Math Mystery Bags lesson plan.

Who doesn’t like to spend money and plan parties? Students will subtract two-digit numbers as they calculate the remaining money for their party supplies. They will subtract in multiples of ten and focus on place value.

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

In this lesson, students will learn how to add a one-digit number to a two-digit number. This will help students build upon the skills needed for regrouping larger numbers.

In this lesson, your students will compare numbers to one thousand using place value charts and symbols. Your students will love practicing with numbers!

What does it mean to expand a number? Use this lesson plan to help your students understand how to write the expanded form of two-digit numbers.

Animals and spots are used to make multiplication interesting! In this lesson, students will practice multiplying one digit numbers.

Farewell pumpkins and turkeys! It’s time to decorate for Christmas! Your students will work on the foundations of counting, one-to-one correspondence, and one-to-one tagging as they add decorations to their Christmas cookies and trees.

Students put their understanding of one and 10 more to work as they write word problems for classmates to solve. This lesson plan can be used alone or with Picture Addition.

Show your students how long one minute is. Use a story and activities to help them gain a better understanding of time.

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.

This lesson pairs a hilarious read-aloud with practice doing basic addition. It can be used as a stand-alone or support lesson for the Just One More Foot lesson plan.

Use this arts inspired lesson plan to introduce the numbers 1-10 to your students! Can be used as a stand alone lesson or support lesson for the Introducing Numbers! lesson plan.

In this lesson, students will learn about the importance of doing one thing at a time and listen to the book What Does It Mean to Be Present?. Then, they will experience the inefficiency of multitasking by doing three things at once.

In this scavenger hunt lesson, students will look for rectangular arrays within their school environment. Whether it is a set of cubbies or windows, students will see that arrays are all around us.

Fishy numbers! This lesson will have your students counting to one hundred in multiples of 10 in no time flat! Your students will love using flash cards to practice.

Cats are the best! Pizza is better! My teacher rules! In Fact or Opinion: Part 1, your students will combine reading and writing to learn about the differences between facts and opinions and how those differences are communicated.