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.

Get your students excited about adding by introducing them to word problems with three addends!

This lesson will make solving subtraction word problems fun for students. It includes music and interaction to grab your students' attention.

What does it feel like to take 120 steps? In this lesson, students practice counting and completing word problems up to 120.

Drawing on various problem solving techniques, students will challenge themselves to solve word problems involving three whole numbers. Problem solving, critical thinking, and real life applications? This lesson has it all.

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

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

Teach students to be stronger readers before they even begin reading! All they need is a book, their mind, and some sticky notes!

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.

Students will be jumping with joy after this lesson that helps them practice their subtraction skills with physical activity.

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.

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

Engage students in counting through fun "I Spy" activities! Students gain fluency counting and recording numbers to 30.

In this lesson, your students will explore reading with technology with "Goldilocks and the Three Bears." Students will use a graphic organizer to reflect on this story.

Make math fun with this lesson that has students work together to solve subtraction sentences. Students will also get a chance to practice their skills individually with a worksheet.

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.

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.

Sometimes students struggle with comprehension, and it can be difficult to pinpoint where the breakdown occurs. Help your students make visual summaries on sticky notes in this lesson!

Now that your first graders are able to count consecutively, introduce them to the tens and ones place values. Using tens and ones blocks will make math easy and fun for everyone!

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

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 students learn the crucial reading strategy of visualizing. Visualizing is a key component of learning to infer from a text. Kids will love using their imagination and drawing pictures of their visualizations.

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

Help your students make sense of the greater than, less than and equal to in this interactive lesson! Your students will have opportunities to compare either two-digit or three-digit numbers.