Help your students use rulers in the classroom with this lesson! Encourage them to measure items around them using centimeters to understand shapes and sizes.

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.

There’s more than one way to add and subtract mixed numbers! Use this witty lesson plan to teach your students to illustrate mixed number sums and difference while giggling with delight.

Help your students learn the standard measures of length and foster critical thinking with this engaging lesson. Use alongside The Smaller They Come or as a stand-alone activity.

With this pastry themed lesson, your students will apply addition strategies to solve two-step, three-digit addition word problems. Finding the solutions will be sweet!

Help your students perfect their use of the order of operations with this lesson that has them create a flippable to aid as they practice using GEMDAS to solve muli-operational problems.

Practice subtraction with art! Help early learners grasp the concept of "taking away" using drawings. This lesson helps students work toward subtraction with numerals, and the mastery of simple shapes.

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?

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.

Students will learn out how to partition a rectangle using by partitioning shapes with rows and columns.

This nifty lesson helps kinesthetic learners reinforce their knowledge of the commutative property. Students will love the challenge of matching equations with their fact families.

Students will have a ball with this data collection lesson plan where they learn about collecting and plotting data on a chart and line plot.

Multiplying with fractions may seem easy to your students, but challenge them with this engaging lesson that requires them to write their own word problems!

Teach your students to recognize patterns of zeros when multiplying by powers of 10 with exponents.

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).

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?

Dive deep into using base-ten blocks to solve two-digit subtraction problems with regrouping. This lesson can be used independently or in conjuction with the lesson Double Trouble: Subtraction Practice.

Want to strengthen your student’s multiplication and division skills? This lesson uses fact families to help students practice those skills.

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

This lesson introduces students to the concepts of mean, median, and mode in a hands-on and visual way.

This lesson helps your students become confident mathematicians when it comes to representing fractions visually in a variety of ways. Use this lesson as a pre-lesson to Fraction Hunt or teach it independently.

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.

Make division come to life with this hands-on, introductory lesson on the operation of division! Students will use authentic problems and manipulatives to experience division in action.

In this hands-on lesson, students will learn and use two methods of dividing whole numbers. They will roll dice to create their own unique equations for solving!

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 your students show their understanding as they explain how to add fractions with unlike denominators. Use this lesson on its own or as support to the lesson Make It Work! Adding Fractions with Unlike Denominators.

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.

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.

Help students visually represent multiplication with mixed numbers and whole numbers. Use this lesson as a standalone lesson, or as support for the lesson Multiplication of Mixed Numbers with Area Models.