10, 20, 30, and up! In this lesson, students learn strategies for multiplying one-digit numbers by multiples of ten (10 through 90) through practice problems and playing a fun, hands-on game.

Help your students discover the power behind base ten drawings! Regrouping is a challenge for many students, but with this hands-on lesson, your students will be empowered with a new strategy to tackle difficult regrouping problems.

Students are at the center of learning as they create and illustrate their own Halloween math problems that show the relationship between addition and multiplication - helping them transition conceptually from the concrete to the abstract.

This lesson allows students to explore the concept of multiplication hands on. Kids will also come to understand why multiplication is important as well as how to solve multiplication problems using array models.

Teach your youngsters the art of savvy shopping with this neat lesson on calculating price per item. After doing some division problems to compare the values of different products, students put their skills to the test with fun worksheets.

Help your students use multiplication to support their conceptual understanding of division. Use this lesson alone or as a pre-lesson for Division: Solving for Unknown Factors.

It's time to learn about time. In this hands-on lesson, students manipulate clock hands and jump across timelines in order to calculate the "distance" between different times and events.

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.

Make real world connections with your students when it comes to perimeter. Use this geometry lesson with your students to discuss real contexts and teach them how to calculate perimeter.

Introduce your students to the Distributive Property of Multiplication with this lesson that allows them to learn with their peers and then get some individual practice in.

Let your students explore similarities and differences between arrays, and help them understand the commutative property of multiplication. Use this as a stand alone lesson or as a prelesson for Parking Lot Multiplication.

Finding the perimeter of a polygon is a simple process with addition! Use this lesson to teach your students how to find the perimeter of polygons.

This lesson provides a concrete introduction to similes. Students will get a confidence boost after working together and completing some fun and colorful worksheets.

Help your students compare and connect two important multiplication strategies: equal groups and repeated addition. This lesson can stand alone or be used as a pre-lesson for Candy Multiplication.

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

Let's better understand multiplication and division concepts! Use this lesson to help students understand inverse operations between multiplication and division.

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.

You need the length and the width to find the area of a rectangle or square, but what if one piece of information is missing? Use this lesson alongside What's My Area? or on its own.

Get your students talking about how they can apply the concept of perimeter to real life. Use this lesson independently or alongside Find the Perimeter: Real Life Objects.

Help your students make sense of the commutative property of multiplication by relating it to arrangements of cars in parking lots.

In this lesson, students must become detectives to solve for the missing number in each subtraction problem. They will develop and use their powers of mathematical reasoning using number bonds to find differences.

Use this lesson to teach your students to use the correct past tense language when speaking about a story they have read. This lesson can stand alone or be used as a pre-lesson for the Fiction Comprehension: Problem and Solution lesson.

Multiplication is no longer a mystery when it is partnered with addition! Help your students make connections between multiplication and repeated addition with this hands-on lesson that includes several types of concrete examples.

Help your class conquer division with this lesson that has them find the unknown factor using multiplication!

Don't throw away all of those extra copies of your book order forms! They make great springboards for math lessons. This lesson integrates them into activities designed to help young learners with money math.

Can you break a ten? An everyday exchange of money can help students think about regrouping to subtract. Students will use bundled popsicle sticks to see how values grouped into tens can be regrouped into ones to allow us to subtract.

Teach your students to decompose factors as a strategy to find multiples of 6, 7, 8, and 9. This lesson supports flexible thinking and number sense.

Expand on your students' knowledge of base ten numbers with this lesson that introduces the students to the place and value of digits within a number.

Delicious multiplication! In this sweet lesson, your students will learn how to relate multiplication to repeated addition using candy counters.

Teach your students about the attributes that make each shape unique. Use this as a stand alone lesson or as a pre-lesson for Are You Connected to Me?