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Composing and Decomposing
Composing and Decomposing
Lesson Plan
Composing and Decomposing large image
Composing and Decomposing
Second Grade
Addition
Use this lesson to introduce composing and decomposing as part of your students’ addition and subtraction toolkits.
Lesson Plan
Composing and Decomposing
Composing and Decomposing
Lesson Plan
Composing and Decomposing
Use this lesson to introduce composing and decomposing as part of your students’ addition and subtraction toolkits.
Second Grade
Addition
Lesson Plan
Composing Shapes
Composing Shapes
Lesson Plan
Composing Shapes large image
Composing Shapes
First Grade
Geometry
Students will love composing and decomposing two-dimensional shapes using tangram puzzle pieces. Use this plan alone or to frontload key vocabulary and concepts taught in the lesson plan Know Your Shapes.
Lesson Plan
Composing Shapes
Composing Shapes
Lesson Plan
Composing Shapes
Students will love composing and decomposing two-dimensional shapes using tangram puzzle pieces. Use this plan alone or to frontload key vocabulary and concepts taught in the lesson plan Know Your Shapes.
First Grade
Geometry
Lesson Plan
Glossary: Composing Shapes
Glossary: Composing Shapes
Worksheet
Glossary: Composing Shapes large image
Glossary: Composing Shapes
First Grade
Geometry
Use these this glossary with the EL Support Lesson: Composing Shapes.
Worksheet
Glossary: Composing Shapes
Glossary: Composing Shapes
Worksheet
Glossary: Composing Shapes
Use these this glossary with the EL Support Lesson: Composing Shapes.
First Grade
Geometry
Worksheet
Vocabulary Cards: Composing Shapes
Vocabulary Cards: Composing Shapes
Worksheet
Vocabulary Cards: Composing Shapes large image
Vocabulary Cards: Composing Shapes
First Grade
Geometry
Use these vocabulary cards with the EL Support Lesson: Composing Shapes.
Worksheet
Vocabulary Cards: Composing Shapes
Vocabulary Cards: Composing Shapes
Worksheet
Vocabulary Cards: Composing Shapes
Use these vocabulary cards with the EL Support Lesson: Composing Shapes.
First Grade
Geometry
Worksheet
Compose and Decompose Within 20
Compose and Decompose Within 20
Worksheet
Compose and Decompose Within 20 large image
Compose and Decompose Within 20
First Grade
Addition
Give your young mathematicians practice with number bonds and number sentences in this visually interesting worksheet that has students composing and decomposing numbers.
Worksheet
Compose and Decompose Within 20
Compose and Decompose Within 20
Worksheet
Compose and Decompose Within 20
Give your young mathematicians practice with number bonds and number sentences in this visually interesting worksheet that has students composing and decomposing numbers.
First Grade
Addition
Worksheet
Decompose to Add: Two Digits Within 20
Decompose to Add: Two Digits Within 20
Worksheet
Decompose to Add: Two Digits Within 20 large image
Decompose to Add: Two Digits Within 20
Second Grade
Addition
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.
Worksheet
Decompose to Add: Two Digits Within 20
Decompose to Add: Two Digits Within 20
Worksheet
Decompose to Add: Two Digits 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.
Second Grade
Addition
Worksheet
Subtraction with Decomposition
Subtraction with Decomposition
Worksheet
Subtraction with Decomposition large image
Subtraction with Decomposition
Second Grade
Addition
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.
Worksheet
Subtraction with Decomposition
Subtraction with Decomposition
Worksheet
Subtraction with Decomposition
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.
Second Grade
Addition
Worksheet
Decomposing Numbers
Decomposing Numbers
Lesson Plan
Decomposing Numbers large image
Decomposing Numbers
Third Grade
Numbers and Counting
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.
Lesson Plan
Decomposing Numbers
Decomposing Numbers
Lesson Plan
Decomposing Numbers
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.
Third Grade
Numbers and Counting
Lesson Plan
Give Me 10!
Give Me 10!
Lesson Plan
Give Me 10! large image
Give Me 10!
First Grade
Addition
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!
Lesson Plan
Give Me 10!
Give Me 10!
Lesson Plan
Give Me 10!
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!
First Grade
Addition
Lesson Plan
Composing 3D Shapes: Matching
Composing 3D Shapes: Matching
Interactive Worksheet
Composing 3D Shapes: Matching large image
Composing 3D Shapes: Matching
First Grade
Geometry
You know about 2D shapes, now get ready to learn your 3D shapes in this colorful worksheet!
Interactive Worksheet
Composing 3D Shapes: Matching
Composing 3D Shapes: Matching
Interactive Worksheet
Composing 3D Shapes: Matching
You know about 2D shapes, now get ready to learn your 3D shapes in this colorful worksheet!
First Grade
Geometry
Interactive Worksheet
Composing 3D Shapes: Which Faces?
Composing 3D Shapes: Which Faces?
Interactive Worksheet
Composing 3D Shapes: Which Faces? large image
Composing 3D Shapes: Which Faces?
First Grade
Geometry
Dissect three-dimensional shapes in this colorful first- and second-grade geometry worksheet!
Interactive Worksheet
Composing 3D Shapes: Which Faces?
Composing 3D Shapes: Which Faces?
Interactive Worksheet
Composing 3D Shapes: Which Faces?
Dissect three-dimensional shapes in this colorful first- and second-grade geometry worksheet!
First Grade
Geometry
Interactive Worksheet
Composing 3D Shapes: Build It
Composing 3D Shapes: Build It
Interactive Worksheet
Composing 3D Shapes: Build It large image
Composing 3D Shapes: Build It
First Grade
Geometry
Discover how structures are built out of individual 3D shapes in this inviting geometry worksheet!
Interactive Worksheet
Composing 3D Shapes: Build It
Composing 3D Shapes: Build It
Interactive Worksheet
Composing 3D Shapes: Build It
Discover how structures are built out of individual 3D shapes in this inviting geometry worksheet!
First Grade
Geometry
Interactive Worksheet
Composing 3D Shapes: What's Missing?
Composing 3D Shapes: What's Missing?
Worksheet
Composing 3D Shapes: What's Missing? large image
Composing 3D Shapes: What's Missing?
Kindergarten
Geometry
Build with blocks in this colorful worksheet on three-dimensional shapes!
Worksheet
Composing 3D Shapes: What's Missing?
Composing 3D Shapes: What's Missing?
Worksheet
Composing 3D Shapes: What's Missing?
Build with blocks in this colorful worksheet on three-dimensional shapes!
Kindergarten
Geometry
Worksheet
Decompose to Subtract From Three-Digit Numbers
Decompose to Subtract From Three-Digit Numbers
Worksheet
Decompose to Subtract From Three-Digit Numbers large image
Decompose to Subtract From Three-Digit Numbers
Second Grade
Subtraction
Practice decomposing numbers in this second-grade subtraction worksheet!
Worksheet
Decompose to Subtract From Three-Digit Numbers
Decompose to Subtract From Three-Digit Numbers
Worksheet
Decompose to Subtract From Three-Digit Numbers
Practice decomposing numbers in this second-grade subtraction worksheet!
Second Grade
Subtraction
Worksheet
Decompose 11-19: Tens and Ones #3
Decompose 11-19: Tens and Ones #3
Worksheet
Decompose 11-19: Tens and Ones #3 large image
Decompose 11-19: Tens and Ones #3
Kindergarten
Addition
Get more practice decomposing numbers and writing equations with this inviting math worksheet!
Worksheet
Decompose 11-19: Tens and Ones #3
Decompose 11-19: Tens and Ones #3
Worksheet
Decompose 11-19: Tens and Ones #3
Get more practice decomposing numbers and writing equations with this inviting math worksheet!
Kindergarten
Addition
Worksheet
Decompose 11-19: Tens and Ones #5
Decompose 11-19: Tens and Ones #5
Worksheet
Decompose 11-19: Tens and Ones #5 large image
Decompose 11-19: Tens and Ones #5
Kindergarten
Addition
Get more practice decomposing numbers and writing equations with this inviting math worksheet!
Worksheet
Decompose 11-19: Tens and Ones #5
Decompose 11-19: Tens and Ones #5
Worksheet
Decompose 11-19: Tens and Ones #5
Get more practice decomposing numbers and writing equations with this inviting math worksheet!
Kindergarten
Addition
Worksheet
Decompose 11-19: Tens and Ones #2
Decompose 11-19: Tens and Ones #2
Worksheet
Decompose 11-19: Tens and Ones #2 large image
Decompose 11-19: Tens and Ones #2
Kindergarten
Addition
Get more practice decomposing numbers and writing equations with this inviting math worksheet!
Worksheet
Decompose 11-19: Tens and Ones #2
Decompose 11-19: Tens and Ones #2
Worksheet
Decompose 11-19: Tens and Ones #2
Get more practice decomposing numbers and writing equations with this inviting math worksheet!
Kindergarten
Addition
Worksheet
Decompose 11-19: Tens and Ones #4
Decompose 11-19: Tens and Ones #4
Worksheet
Decompose 11-19: Tens and Ones #4 large image
Decompose 11-19: Tens and Ones #4
Kindergarten
Addition
Get more practice decomposing numbers and writing equations with this inviting math worksheet!
Worksheet
Decompose 11-19: Tens and Ones #4
Decompose 11-19: Tens and Ones #4
Worksheet
Decompose 11-19: Tens and Ones #4
Get more practice decomposing numbers and writing equations with this inviting math worksheet!
Kindergarten
Addition
Worksheet
Decompose 11-19: Tens and Ones #6
Decompose 11-19: Tens and Ones #6
Worksheet
Decompose 11-19: Tens and Ones #6 large image
Decompose 11-19: Tens and Ones #6
Kindergarten
Addition
Get more practice decomposing numbers and writing equations with this inviting math worksheet!
Worksheet
Decompose 11-19: Tens and Ones #6
Decompose 11-19: Tens and Ones #6
Worksheet
Decompose 11-19: Tens and Ones #6
Get more practice decomposing numbers and writing equations with this inviting math worksheet!
Kindergarten
Addition
Worksheet
Composing 3D Shapes: Cut and Paste
Composing 3D Shapes: Cut and Paste
Worksheet
Composing 3D Shapes: Cut and Paste large image
Composing 3D Shapes: Cut and Paste
First Grade
Geometry
Build complex structures out of common three-dimensional shapes in this hands-on worksheet!
Worksheet
Composing 3D Shapes: Cut and Paste
Composing 3D Shapes: Cut and Paste
Worksheet
Composing 3D Shapes: Cut and Paste
Build complex structures out of common three-dimensional shapes in this hands-on worksheet!
First Grade
Geometry
Worksheet
Decompose 11-19: Tens and Ones #1
Decompose 11-19: Tens and Ones #1
Worksheet
Decompose 11-19: Tens and Ones #1 large image
Decompose 11-19: Tens and Ones #1
Kindergarten
Addition
Practice decomposing numbers and writing equations with this kindergarten and first-grade math worksheet!
Worksheet
Decompose 11-19: Tens and Ones #1
Decompose 11-19: Tens and Ones #1
Worksheet
Decompose 11-19: Tens and Ones #1
Practice decomposing numbers and writing equations with this kindergarten and first-grade math worksheet!
Kindergarten
Addition
Worksheet
Water Rafting: Compose Numbers to Make 10 (Game 2)
Water Rafting: Compose Numbers to Make 10 (Game 2)
Game
Water Rafting: Compose Numbers to Make 10 (Game 2) large image
Water Rafting: Compose Numbers to Make 10 (Game 2)
First Grade
Addition
First graders gain confidence with addition and decomposing numbers in this fun water rafting game!
Game
Water Rafting: Compose Numbers to Make 10 (Game 2)
Water Rafting: Compose Numbers to Make 10 (Game 2)
Game
Water Rafting: Compose Numbers to Make 10 (Game 2)
First graders gain confidence with addition and decomposing numbers in this fun water rafting game!
First Grade
Addition
Game
Composing 3D Shapes: Which One Am I?
Composing 3D Shapes: Which One Am I?
Interactive Worksheet
Composing 3D Shapes: Which One Am I? large image
Composing 3D Shapes: Which One Am I?
First Grade
Geometry
Build structures with shapes to practice geometry in this colorful worksheet!
Interactive Worksheet
Composing 3D Shapes: Which One Am I?
Composing 3D Shapes: Which One Am I?
Interactive Worksheet
Composing 3D Shapes: Which One Am I?
Build structures with shapes to practice geometry in this colorful worksheet!
First Grade
Geometry
Interactive Worksheet
Double Ten Frame Mat
Double Ten Frame Mat
Worksheet
Double Ten Frame Mat large image
Double Ten Frame Mat
First Grade
Addition
Use the mat to give students extra practice composing a 10 as they learn to add to 20.
Worksheet
Double Ten Frame Mat
Double Ten Frame Mat
Worksheet
Double Ten Frame Mat
Use the mat to give students extra practice composing a 10 as they learn to add to 20.
First Grade
Addition
Worksheet
Compose 11-19: Ten and Ones #1
Compose 11-19: Ten and Ones #1
Interactive Worksheet
Compose 11-19: Ten and Ones #1 large image
Compose 11-19: Ten and Ones #1
Kindergarten
Addition
Give your young math learner practice composing numbers 11–19 with this addition strategies worksheet!
Interactive Worksheet
Compose 11-19: Ten and Ones #1
Compose 11-19: Ten and Ones #1
Interactive Worksheet
Compose 11-19: Ten and Ones #1
Give your young math learner practice composing numbers 11–19 with this addition strategies worksheet!
Kindergarten
Addition
Interactive Worksheet
Compose 11-19: Ten and Ones #2
Compose 11-19: Ten and Ones #2
Interactive Worksheet
Compose 11-19: Ten and Ones #2 large image
Compose 11-19: Ten and Ones #2
Kindergarten
Addition
The second in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!
Interactive Worksheet
Compose 11-19: Ten and Ones #2
Compose 11-19: Ten and Ones #2
Interactive Worksheet
Compose 11-19: Ten and Ones #2
The second in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!
Kindergarten
Addition
Interactive Worksheet
Compose 11-19: Ten and Ones #3
Compose 11-19: Ten and Ones #3
Interactive Worksheet
Compose 11-19: Ten and Ones #3 large image
Compose 11-19: Ten and Ones #3
Kindergarten
Addition
The third in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!
Interactive Worksheet
Compose 11-19: Ten and Ones #3
Compose 11-19: Ten and Ones #3
Interactive Worksheet
Compose 11-19: Ten and Ones #3
The third in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!
Kindergarten
Addition
Interactive Worksheet
Compose 11-19: Ten and Ones #4
Compose 11-19: Ten and Ones #4
Interactive Worksheet
Compose 11-19: Ten and Ones #4 large image
Compose 11-19: Ten and Ones #4
Kindergarten
Addition
The fourth in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!
Interactive Worksheet
Compose 11-19: Ten and Ones #4
Compose 11-19: Ten and Ones #4
Interactive Worksheet
Compose 11-19: Ten and Ones #4
The fourth in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!
Kindergarten
Addition
Interactive Worksheet
Compose 11-19: Ten and Ones #5
Compose 11-19: Ten and Ones #5
Interactive Worksheet
Compose 11-19: Ten and Ones #5 large image
Compose 11-19: Ten and Ones #5
Kindergarten
Addition
The fifth in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!
Interactive Worksheet
Compose 11-19: Ten and Ones #5
Compose 11-19: Ten and Ones #5
Interactive Worksheet
Compose 11-19: Ten and Ones #5
The fifth in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!
Kindergarten
Addition
Interactive Worksheet
Compose 11-19: Ten and Ones #6
Compose 11-19: Ten and Ones #6
Interactive Worksheet
Compose 11-19: Ten and Ones #6 large image
Compose 11-19: Ten and Ones #6
Kindergarten
Addition
The last in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!
Interactive Worksheet
Compose 11-19: Ten and Ones #6
Compose 11-19: Ten and Ones #6
Interactive Worksheet
Compose 11-19: Ten and Ones #6
The last in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!
Kindergarten
Addition
Interactive Worksheet
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