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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

Give your students practice decomposing mixed numbers into number bonds.

Practice Decomposing Mixed Numbers

Give your young mathematicians practice with number bonds and number sentences in this visually interesting worksheet that has students composing and decomposing numbers.

Compose and Decompose Within 20

Give your students simple two-digit numbers to practice the decomposition addition strategy! This can be used as a stand-alone activity or in conjunction with the Composing and Decomposing lesson plan.

Decompose to Add: Two Digits Within 20

The decomposing and composing subtraction strategy can be a handy tool for tough three-digit numbers. Use this worksheet to give your students the practice they need to nail down the concept.

Subtraction with Decomposition

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

You know about 2D shapes, now get ready to learn your 3D shapes in this colorful worksheet!

Composing 3D Shapes: Matching

Dissect three-dimensional shapes in this colorful first- and second-grade geometry worksheet!

Composing 3D Shapes: Which Faces?

Discover how structures are built out of individual 3D shapes in this inviting geometry worksheet!

Composing 3D Shapes: Build It

Practice decomposing numbers in this second-grade subtraction worksheet!

Decompose to Subtract From Three-Digit Numbers

Build complex structures out of common three-dimensional shapes in this hands-on worksheet!

Composing 3D Shapes: Cut and Paste

This template will walk writers through the process of composing an argument essay.

Literary Argument Writing: Drafting Your Essay

Build structures with shapes to practice geometry in this colorful worksheet!

Composing 3D Shapes: Which One Am I?

Try your hand at writing jump rope rhymes by organizing your ideas first, then composing your creation like a poem.

Write Jump Rope Rhymes

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

Double Trouble: Subtraction Practice

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

Assemble block towers out of simple shapes in this colorful geometry worksheet!

Building 3D Shapes

Match the two-dimensional net to the three-dimensional shape in this engaging geometry worksheet!

Name that Net! 3D Shapes

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Take Science Home with Decomposition

Use this resource with your students as they complete a variety of spelling activities for the words that have the /k/ and /kw/ sounds.

Working with Words: /kw/ and /k/ Sounds

Children are guided through the process of writing clear, well supported arguments with this writing template.

Mapping Your Claim, Reasons, and Evidence

Introduce this graphic organizer as a way to help students compose opinion pieces.

My Opinion Matters

Solve double-digit subtraction problems with ease in this second- and third-grade worksheet!

Subtract Using Decomposition: Make a New Equation #1

Learn the area models division strategy with this helpful two-page worksheet for fourth and fifth graders!

Divide Using Area Models: Divide in Parts

Practice fluency by building a flourishing city in this second-grade worksheet!

Build a City: Compose Numbers 17–18

Practice the decomposition method of subtraction in this accessible worksheet!

Subtract Using Decomposition: Make a Number Line Model #1

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!

Learn to use the decomposition strategy as you solve subtraction problems!

Subtracting Multiples of 10 Using Decomposition

Practice using the decomposition strategy to solve two-digit subtraction problems in this helpful worksheet for second graders!

Subtraction With Regrouping Using Decomposition #3

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