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

In this teddy bear themed lesson, students will practice recognizing, ordering, and counting the numbers one through 20. Adaptable for any number range from 1-20, this lesson can be customized to target your students’ specific needs!

In this leafy, plant-themed lesson, students will use leaves as they practice recognizing various numbers from 1 to 15. This lesson can be easily adapted for use with specific ranges of numbers.

Freshen up on your understanding of division word problems with long division and one-digit divisors! Use this lesson to help students identify key division terms and solve word problems.

Buzz, buzz! Can you count the five busy little bees? In this bee-themed lesson on counting and number recognition, students will use bees to learn how to count the numbers one through five.

Introduce place value to your emerging mathematicians while focusing on the numbers 11–20. In this lesson, students will practice separating teen numbers into 10 ones and some additional ones using unifix cubes and ten frames.

This tasty lesson will teach second graders about fractions using cookies.

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!

With this activity, students will identify shapes, build 3-D shapes, and practice describing shapes with a partner.

In this lesson, students engage in interesting hands-on activities that help them discover the properties of parallel, perpendicular, and intersecting lines. Your little mathematicians will have a blast as they learn about geometry.

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

Input some patterns to T-charts in this lesson. Use this lesson about input and output boxes as a precursor to finding patterns within word problems.

Help your class “jump” into number recognition with confidence! In this lesson, students will write numbers on sticky notes, place them in sequential order, and “jump” on the numbers while counting.

In this lesson, your students will become familiar with shapes by identifying them in real life. Your students will love identifying how many sides shapes have by drawing and counting them!

Help! The numbers in our equations have run away and left their answers alone! In this lesson, students will review their math facts and knowledge to solve Ken Ken like puzzles and bring the numbers back to their places.

Numbers are blooming! In this flower-themed lesson, students will create a piece of math artwork that will help them practice recognition of numbers through ten.

In this review focused math lesson, students will get a chance to practice and share their knowledge of patterns and numbers!

Help kids master fractions with the fun, fast-paced, math comparison game Fraction Wars. After a review, students are split into pairs to practice quickly comparing fractions with different numerators and denominators.

Your students will have fun working with numbers to 20 with this exciting and interactive lesson with music, movement, and hands-on experiences!

In this lesson, students will have fun creating addition sentences by drawing and counting ladybug dots.

Help your students subtract with confidence by sharing two different strategies. Use this lesson to build on students’ understanding of subtraction and to evaluate this key skill.

More or less? In this hands-on lesson, your students hone important fine motor skills and learn how to compare quantities.

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

Raindrops are falling in this weather-themed math lesson! Students will manipulate raindrops and discover that raindrops can be counted in the same order, even when they are arranged in different ways.

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

Use this lesson plan that incorporates the classic Bingo game to reinforce number recognition from zero to 20!

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

How do you build spatial reasoning, critical thinking, and problem solving skills while doing something that is fun? With tangrams! In honor of Chinese New Year, this lesson introduces your students to the Chinese puzzle of tangrams.

Students will learn to convert metric units by applying concepts in word problems. Exercises and worksheets incorporate length (meters), and optional practice offers more instructions on mass (grams) and volume (liters).