Show your class how combining two objects can create a new object in this hands-on science lesson. Students will learn why breaking apart an object doesn't change its mass.

Guide students to use base ten blocks to solve two-digit by one-digit addition problems with regrouping. This lesson can be used independently or paired with the lesson Adding it All Up.

Adding fractions with unlike denominators just doesn't work like it does when the denominators are the same. Let's make it work! Students will add fractions with unlike denominators with sums between one and two.

Your students will learn when to use less than and greater than and how to differentiate the two symbols in this lesson. They will have fun playing the role of the Less Than and Greater Than alligators!

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.

In this support lesson, your students will compare and contrast character traits using a graphic organizer. It can be a stand-alone lesson or used as support for the lesson Comparing Two Characters.

Get your students synthesizing various subtraction strategies as they work with a partner to solve word problems. This lesson can be used alone or with the lesson plan Show Me the Money! Two-Digit Subtraction.

Bigger, taller, shorter, or longer? In this spring lesson plan, students will compare two objects and create their own spring-themed comparison worksheet. They will draw pairs of pictures and come up with their own comparison questions.

All fictional stories have story elements but they sure can differ between stories. In this lesson, students will compare and contrast the story elements of two fictional stories and document their findings in a graphic organizer.

In this lesson, students will use an informational text passage to ask and answer questions. Using biographies, your students will learn about two famous figures in history.

Make sure your students understand the word problem before they begin to solve it! Use this as a stand alone lesson or a pre-lesson for Two-Step Word Problems with Mixed-Operations - Gamified!

Your students will learn academic vocabulary and use a graphic organizer to compare and contrast two short stories. Use this as a stand-alone lesson or as an introduction to the Comparing and Contrasting Short Stories lesson plan.

Double, double toil and trouble! Use two dice to roll up to 100 with one-digit sumations. In this lesson, students will play a place value game where they race to get to 100 by converting ones to tens.

Farewell pumpkins and turkeys! It’s time to decorate for Christmas! Your students will work on the foundations of counting, one-to-one correspondence, and one-to-one tagging as they add decorations to their Christmas cookies and trees.

Use this lesson with your students to practice comparing and contrasting the key details in two texts on the same topic. It can be a stand-alone lesson or a pre-lesson for the What's Similar? What's Different? lesson.

Explore the beauty of Navajo rug weaving with this lesson that integrates indigenous culture, math and art. Students will learn and practice symmetry and create a design in the tradition of the Navajo rug pattern called “Two Grey Hills”.

Help your students become detail-oriented mathematicians as they explore two strategies for multiplying a one-digit number by a multiple of 10. Use this as a stand alone lesson or alongside Multiplying by Multiples of 10.

Who was the mastermind behind the lovely, sweets-laden Valentine’s Day? In this Valentine Lesson Plan, students will compare and contrast two interpretations of St. Valentine’s legendary defiance and retell the legend they believe is true.

Your ELs will compare and contrast two similar stories while strengthening their grammar skills related to noun and pronoun agreement in this lesson. Use it as a stand-alone lesson or as a precursor to the lesson Venn Diagram Collage.

Marie Curie’s monumental achievements in chemistry and physics are remarkable. In this lesson, your students will read two accounts of her life, integrate the details, and assess the importance of having more than one source of information.

It’s pizza time! Students will be introduced to the concept of partitioning shapes to create fractions that demonstrate halves, fourths, and eighths. This lesson is the first of two lessons that address second grade fraction concepts.

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.

Students get practice composing and comparing two-digit numbers as they compete to collect the most cards while playing the Hungry Alligator game. This lesson can be used alone or with the lesson plan Greater than Less Than Equal to Game.

This engaging lesson teaches students about the famous author Faith Ringgold. Students will explore two pieces of literature, comparing and contrasting story elements, then write opinion pieces to illustrate which book they liked best.

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!

In this 2-day lesson honoring Indigenous People’s Day, children will learn about powerful Native American leaders, how they led and what they stood for. Students will actively engage in research, art integration and presenting to peers.

This Halloween-themed hundreds chart game has plenty of tricks and treats! Students will roll two dice to move up and down the chart to be the first to 100. Players will also recognize important number patterns as they move their marker.

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?

Help students learn the academic vocabulary and symbols used to record the results of comparing two three-digit numbers. This lesson can be used as a stand-alone activity or prior to Greater Than, Less Than: Comparing Three-Digit Numbers.

In this lesson, students will hear the story "The Way I Act" and complete two activities connected to the story. They will practice mindful breathing and explore how to have more control over their bodies, behaviors, emotions, and choices.