Your students will be experts in subtraction with regrouping after this lesson that has them work as a class and individually to perfect their skills.

Name that hero! In this lesson, your students will practice adding two digit numbers together. They will get more comfortable adding bigger numbers together, making it easier to add three digit numbers later on.

Ask an important question this month: What does an activist do? This engaging lesson can be used leading up to Martin Luther King Jr. Day (and year-round). It supports students in understanding what it means to be an activist and how Martin Luther King Jr. used collaborative action to change the world and speak out against oppression. Perfect for first graders and second graders, this activity explores word meaning and other reading and writing skills.

Tap into students' metacognitive skills and get them to think about their thinking! This lesson encourages students to pay attention to the strategies they use while supporting math fluency!

Give your students a great basis in mathematics with this lesson that has them use a number line to find differences for basic subtraction facts.

Students will work together as well as individually to add up coins to a desired amount. This real life skill will be made fun when students get to physically count out their cents!

Teach your students to add mixed numbers and improper fractions with the same denominator using the counting up strategy with number lines.

Many students cringe when they see a subtraction problem with multiple zeros. The “Subtract One” strategy in this lesson involves reducing the top number by one to turn the 0 digits into 9’s and then adding the one back in at the end.

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.

Do your students ever want to just hurry and finish their homework? Your students can use the number line jumping strategy to quickly add two-digit numbers and show their understanding of place value and expanded form in the process.

In this lesson, students will solve a design problem and practice troubleshooting as they create a list of instructions for putting together a tent.

In this lesson, students will add three-digit numbers using expanded form addition and standard algorithm addition. They'll explain their answers and highlight the steps for each of the strategies.

Use this lesson with your students to allow them to explore the associative property of multiplication by having deep discussions in small groups. Use this as a stand alone lesson or alongside Associative Property of Multiplication.

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 will create a set of instructions for navigating a life-size maze.

Just a roll of the dice, and your students will be learning how to count money! In this lesson, they will be become familiar with the value of money.

With this creative and imaginative lesson, teach your students to use transition words to sequence events as they write and illustrate a "How To" book.

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 students discover how to show numbers in different ways while providing ample opportunities for students to contribute to conversations. Use as a pre-lesson to Let's Jump to Add Two-Digit Numbers or as a stand-alone lesson.

Planning a party can be exhausting! But even when the party is over, there can be a lot to do. In this lesson, students use subtraction to figure out what’s left at the end of a party.

Teach students to be stronger readers before they even begin reading! All they need is a book, their mind, and some sticky notes!

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.

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

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.

Students will practice mentally adding and subtracting 10 to multiples of 10 up to 100 by playing an all time favorite: BINGO! Use alone or alongside the lesson Subtracting From Multiples of 100.

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