In this lesson, students use cubes to build arrays to represent factor pairs of numbers within 100. They use this understanding to identify multiples as well.

Geometry is a core of mathematics in the early years. Help students recognize and draw shapes given specific attributes such as the number of corners and sides. This lesson can be a stand-alone activity of paired with 2-D Shapes!

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.

Students participate in a classroom scavenger hunt with a partner to measure common classroom objects using a ruler.

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 hands-on lesson to encourage collaboration amongst students as they review base-ten numerals, number names, and expanded form. This lesson can be used as a pre-lesson to Base Ten Block Party or as a stand-alone activity.

Give your students a good basis in interpreting data with this lesson that teaches them about mean, median, and mode with plenty of practice and cute videos to keep them interested.

This lesson helps students break down the different components of a word problem with decimals so that English Learners can succeed in solving them. Use it on its own or as support for the lesson Giving Gifts: All About Decimals.

This support lesson provides students the opportunity to use two different tools to measure the length of familiar objects while introducing content specific vocabulary words. Use alone or alongside the lesson How Big is the Playground?

Perpendicular, intersect, parallel! In this lesson, students work in teams to complete a Frayer Model on each of these terms to become masters of geometry vocabulary. Teach this lesson on its own or as support to the lesson What's My Line?

Get your students comfortable with discussing multiple strategies to solve subtraction problems with this lesson on two- and three-digit subtraction. It may be taught independently or as support for the lesson Subtraction with Regrouping.

During the Chinese New Year, giving red envelopes full of money is a custom that symbolizes good luck. Use this lesson to teach your students about holiday traditions as they practice counting money.

Teach your students to calculate fractions of 100 using a number line model.

Teach your students to find the perimeter of polygons using real world examples. They will make polygon pictures using tangrams and practice finding the perimeters of the polygons in their masterpieces.

Help students use two strategies that will help them figure out which three-digit number is greater than, less than, or equal to another three-digit number. Use on its own or with Let's Compare! Place Value Disks & Three-Digit Numbers.

Practicing subtraction using a thermometer for a number line makes math fun! In this lesson, your students will get more comfortable with subtracting two digit numbers.

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.

Allow your students to explore the pros and cons of different strategies used to find the area of rectangles. Use this as a stand alone lesson or as a pre-lesson for the Multiplication and Area in the Community Garden lesson.

Advance your students from relative measurements to learning about standardized units with this lesson that teaches them about inches and feet by using common classroom objects.

Motivate your students by engaging them in a competition! In this lesson, your students will review and practice multiplication strategies.

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.

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

Money makes the world go 'round, but do your students know why money is important? In this lesson, students will learn the real world applications of money, as well as how to make a dollar with various coins.

Students will learn how to find the actual value of three-digit numbers with this activity that has them use manipulatives to create the expanded form of a number.

In this lesson, your students will learn how to buy items and use money to purchase items in the real world. You will set up a store for the students to learn about money.

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

In this lesson, your students will play with cards to practice giving fractions a new decimal name. They will be able to convert fractions to decimals by the end of this lesson.

This lesson provides students with instruction in strategies based on number sense. Use this lesson alongside Show Me the Money: Understanding Value or as a stand-alone lesson.

Lay the foundation for multiplication by introducing your second graders to the concepts of skip counting and repeated addition. This lesson can be used alongside Up, Up, and Array, or separately to reinforce these important skills.

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.