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.

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.

Shape up your students' understanding of geometrical attributes with this hands-on math lesson. Students will gain a better understanding of how to describe a shape by the number of edges and vertices it has, rather than by its name.

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.

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.

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

What exactly does the number 97 mean? How about 454? In this lesson, students explore how two-digit numbers are made up of tens and ones. Then they use this understanding to subtract numbers within 1000.

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

Students will gain fluency with adding multiples of ten in this hands-on lesson that builds number sense.

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

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.

This lesson provides students with the opportunity to compare and contrast two athletes who have been instrumental in changing the world of women's sports.

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.

Your students will “hop their way” into understanding place value with this fun and active game! In this lesson, they will learn that changing the order of the digits in a number changes its value.

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.

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

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.

Good readers ask questions before, during, and after reading. This lesson, which incorporates two wonderful activities and some practice with the 5 Ws, is sure to get your students ready to dive into literature.

Put your students to the test with this lesson that helps them learn the tens and ones places with a memory game and worksheet!

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.

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

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

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.

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!

Pop into place! This lessons builds your students' knowledge of numbers, their place value, and how to write them correctly.

Dive into understanding place value by using place value disks to represent and compare numbers.

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

Counting collections are a great way to help students practice counting while gaining practice recording and justifying their thinking. Students will work specifically with the numbers 1-30 to develop fluency counting and writing numbers.

Have a class that can't sit still long enough to practice their addition? This activity puts math and PE together to help your kids add up to 20 while being active!

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