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Showing Results for composing decomposing

Use this lesson to introduce composing and decomposing as part of your students’ addition and subtraction toolkits.

Composing and Decomposing

Use this scaffolded EL support lesson to help students learn the strategy of decomposing three-digit numbers to add their place values. This lesson can be used alone or prior to teaching Composing and Decomposing to students.

Decomposing and Adding Place Values

Why make things harder on ourselves? Teach your students to decompose numbers to make math easier! Use this as a stand alone lesson or a pre-lesson for *Decompose to Multiply: 6, 7, 8, and 9.*

Decomposing Numbers

Roll some dice to introduce the early concepts of associative and commutative properties in addition by composing and decomposing 10. Worksheets and a quiz are included!

Give Me 10!

Double-digit trouble? No problem! Your students will practice their decomposing and regrouping skills in this lesson.

Double Trouble: Subtraction Practice

Let's dance our dreams! In this lesson, students read a story about a girl going after her dream of being a ballerina before composing dances to represent their own dreams. 

Dancing Dreams

Bring nursery rhymes to life by composing original songs! In this lesson, students develop reading fluency skills while experimenting with music composition. 

Nursery Rhyme Songs

Students will love composing shapes using tangrams in this hands-on lesson! Use this plan alone or as a support lesson plan for the **Tangrams: An Ancient Chinese Puzzle** lesson plan.

All About Tangram Puzzles

Students love comic books! Channel their excitement for this fun genre and get their creative writing juices flowing.  By writing their own comic strips, students will be practicing composing, sequencing, and using dialogue.


BAM! POW! Comic Strip Writing

The number ten has lots of friends, and they often come in pairs! Your students will sing a song, enjoy a video, play a game, and work on matching number pairs that make ten!


Friends of Ten

Everyone loves an intriguing introduction! Help your second graders hook their readers as they practice writing new and improved introductions to well-loved fictional stories in this fun writing lesson.

Capture That Reader!

Are your students hooking their readers? Use this creative and imaginative writing exercise that will bring student beginnings to life.

Let's Hook 'Em!

Teach your students to use an area model to solve multiplication problems with a two-digit factor.

Multiplication with Area Models

Opinion writers need to establish credibility so that their audience will value their opinion. In this lesson, your students learn how to establish themselves as authorities on their chosen writing topics.

Opinion Writing: Brainstorming to Establish Credibility

How many dances involve kicks and claps? Lots! Get students choreographing and counting in this fun lesson. 

Kick, Clap, Dance, & Count

Give students an opportunity to practice subtraction and analyze their peers' work with this fun lesson. Young mathematicians will have a great time playing a judging game and completing quirky worksheets.

You Be the Judge!

When did letter writing become a thing of the past? Bring back this tried and true method of communication with a lesson that's both fun and teacher-approved. Students will love writing their own letters to their friends.

Writing a Letter is Easy as 1, 2, 3!

It’s magic! In this lesson, students will “magically” move shapes together to form new shapes. Clay and toothpicks equal hands-on fun! Tangram challenges are provided for those students who need that little extra challenge.

Magical Movement

Give your students an introduction to types of story hooks as they compose original story beginnings the help of a word bank. This can be a stand-alone lesson or a support lesson for the Capture That Reader! lesson plan.

Story Hooks

Looking for a fun way to reinforce multiplication and area finding skills? This hands-on lesson gives students a chance to create their own multiplication equations by making rectangular models.


Finding Area

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.  

Decompose to Multiply: 6, 7, 8, and 9

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.

Subtraction with Regrouping

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.

Addition with Regrouping

Make math fun with this lesson that has students work together to solve subtraction sentences. Students will also get a chance to practice their skills individually with a worksheet.

Subtraction Card Sharks

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