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

What's That Number?

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.

Adding it All Up

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

Three-Digit Addition Strategies Review

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

Fact Family Trees

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.

Mystery Addends: Representing Word Problems

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.

Place Value Hop

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.

All About Three-Digit Numbers

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.


Up, Up, and Array

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.

2-D Shapes

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.

Break It Down

Pop into place! This lessons builds your students&#39; knowledge of numbers, their place value, and how to write them correctly.

Popping Numbers

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

Let’s Compare! Place Value Disks & Three-Digit Numbers

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. 

Comparing Three-Digit Numbers

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

Place Value Concentration

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

Adding with M&M's

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

Whole Body Subtraction

Every student can be a magician after this lesson in mentally adding and subtracting by 10. No previous magic training required!

Math Mind Magic

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. 

Then Came One

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

Math With Bears

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!

Place Value Party

Help your students practice place value with this fun, hands-on base-ten block game. Neighborhood block teams compete to win points as they work together to show expanded numbers.

Base-Ten Block Party

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.

Adding with Dominoes and Playing Cards

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!

Give Me 10!

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.

Greater Than, Less Than, Equal To Game

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!

Active Math

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.

Subtraction Card Sharks

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.  

Odd One Out

Get your students excited about money! Have them make connections between their prior knowledge of base-ten numerals and one, ten, and hundred dollar bills.

Base-Ten Money: Hundreds, Tens, and Ones

With some help from Dr. Seuss' *Horton Hears a Who*, your kids will go on a fun scavenger hunt and discover different sounds.

Can You Hear a Who?

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.

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