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1st and 2nd Grade Add by Composing and Decomposing Numbers Resources
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Addition
Addition Strategies
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Subtopics:
Add Using Pictures
Add Using Ten Frames
Add Using Number Bonds
Add Using Number Lines
Add Using Doubles and Near Doubles
Add by Making a Ten
Add Using Hundred Charts
Add Using Compensation
Add by Composing and Decomposing Numbers
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Add Using Place Value Charts
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1st and 2nd Grade Add by Composing and Decomposing Numbers Resources
Filters
40 results
Math
✕
1st and 2nd Grade
✕
Clear All
40 results
Number Bonds All Around
Interactive Worksheet
Number Bonds All Around
First Grade
Addition
Number bonds are a great way for your kids to explore the relationship between addition and subtraction. By filling in the missing numbers, students get experience with fact families.
Interactive Worksheet
Number Bonds All Around
Interactive Worksheet
Number Bonds All Around
Number bonds are a great way for your kids to explore the relationship between addition and subtraction. By filling in the missing numbers, students get experience with fact families.
First Grade
Addition
Interactive Worksheet
Decompose 11-19: Tens and Ones #1
Worksheet
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
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
Compose 11-19: Ten and Ones #1
Interactive Worksheet
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
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
Decompose to Add: Two Digits Within 20
Worksheet
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
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
Compose and Decompose Within 20
Worksheet
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
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
Compose 11-19: Ten and Ones #2
Interactive Worksheet
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
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
Subtraction with Decomposition
Worksheet
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
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
Compose 11-19: Ten and Ones #3
Interactive Worksheet
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
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 #5
Interactive Worksheet
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
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
Making Number Connections
Worksheet
Making Number Connections
First Grade
Addition
Your child will help by completing fact family houses with the information given. Then, she will use the word bank to fill out sentences about her observations.
Worksheet
Making Number Connections
Worksheet
Making Number Connections
Your child will help by completing fact family houses with the information given. Then, she will use the word bank to fill out sentences about her observations.
First Grade
Addition
Worksheet
Compose 11-19: Ten and Ones #4
Interactive Worksheet
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
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
Find the Missing Fact Family Number
Worksheet
Find the Missing Fact Family Number
First Grade
Addition
Your child will enjoy cutting and pasting while solving problems to fill in the missing information.
Worksheet
Find the Missing Fact Family Number
Worksheet
Find the Missing Fact Family Number
Your child will enjoy cutting and pasting while solving problems to fill in the missing information.
First Grade
Addition
Worksheet
Treasure Diving: Compose Numbers to Make 10 (Game 2)
Game
Treasure Diving: Compose Numbers to Make 10 (Game 2)
First Grade
Addition
Which equation makes 10? Help young mathematicians figure it out in this treasure diving math game.
Game
Treasure Diving: Compose Numbers to Make 10 (Game 2)
Game
Treasure Diving: Compose Numbers to Make 10 (Game 2)
Which equation makes 10? Help young mathematicians figure it out in this treasure diving math game.
First Grade
Addition
Game
Water Rafting: Compose Numbers to Make 10 (Game 2)
Game
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)
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
Water Rafting: Compose Numbers to Make 10 (Game 1)
Game
Water Rafting: Compose Numbers to Make 10 (Game 1)
First Grade
Addition
In this water rafting adventure, children will be asked to choose the equation that adds up to 10.
Game
Water Rafting: Compose Numbers to Make 10 (Game 1)
Game
Water Rafting: Compose Numbers to Make 10 (Game 1)
In this water rafting adventure, children will be asked to choose the equation that adds up to 10.
First Grade
Addition
Game
Treasure Diving: Compose Numbers to Make 10 (Game 1)
Game
Treasure Diving: Compose Numbers to Make 10 (Game 1)
First Grade
Addition
How do you make 10? Dive into a math adventure and discover simple equations that add up to 10.
Game
Treasure Diving: Compose Numbers to Make 10 (Game 1)
Game
Treasure Diving: Compose Numbers to Make 10 (Game 1)
How do you make 10? Dive into a math adventure and discover simple equations that add up to 10.
First Grade
Addition
Game
Water Rafting: Compose Numbers to Make 10 (Game 3)
Game
Water Rafting: Compose Numbers to Make 10 (Game 3)
First Grade
Addition
Children flex their mental math muscles as they try to quickly find the equations that add up to 10.
Game
Water Rafting: Compose Numbers to Make 10 (Game 3)
Game
Water Rafting: Compose Numbers to Make 10 (Game 3)
Children flex their mental math muscles as they try to quickly find the equations that add up to 10.
First Grade
Addition
Game
Treasure Diving: Compose Numbers to Make 10 (Game 3)
Game
Treasure Diving: Compose Numbers to Make 10 (Game 3)
First Grade
Addition
Ask your child to practice adding up to 10 and breaking down math equations in this math race.
Game
Treasure Diving: Compose Numbers to Make 10 (Game 3)
Game
Treasure Diving: Compose Numbers to Make 10 (Game 3)
Ask your child to practice adding up to 10 and breaking down math equations in this math race.
First Grade
Addition
Game
Treasure Diving: Compose Numbers to Make 20 (Game 3)
Game
Treasure Diving: Compose Numbers to Make 20 (Game 3)
First Grade
Addition
In this energizing math game, think about how different numbers can add up to 20.
Game
Treasure Diving: Compose Numbers to Make 20 (Game 3)
Game
Treasure Diving: Compose Numbers to Make 20 (Game 3)
In this energizing math game, think about how different numbers can add up to 20.
First Grade
Addition
Game
Treasure Diving: Compose Numbers to Make 20 (Game 2)
Game
Treasure Diving: Compose Numbers to Make 20 (Game 2)
First Grade
Addition
Compose numbers to make 20 and build first grade addition skills in each round of this online game.
Game
Treasure Diving: Compose Numbers to Make 20 (Game 2)
Game
Treasure Diving: Compose Numbers to Make 20 (Game 2)
Compose numbers to make 20 and build first grade addition skills in each round of this online game.
First Grade
Addition
Game
Water Rafting: Compose Numbers to Make 20 (Game 1)
Game
Water Rafting: Compose Numbers to Make 20 (Game 1)
First Grade
Addition
Children race down the river and across the finish line by choosing the equations that make 20.
Game
Water Rafting: Compose Numbers to Make 20 (Game 1)
Game
Water Rafting: Compose Numbers to Make 20 (Game 1)
Children race down the river and across the finish line by choosing the equations that make 20.
First Grade
Addition
Game
Water Rafting: Compose Numbers to Make 20 (Game 2)
Game
Water Rafting: Compose Numbers to Make 20 (Game 2)
First Grade
Addition
Children will love racing to the finish line while boosting their addition and mental math skills.
Game
Water Rafting: Compose Numbers to Make 20 (Game 2)
Game
Water Rafting: Compose Numbers to Make 20 (Game 2)
Children will love racing to the finish line while boosting their addition and mental math skills.
First Grade
Addition
Game
Water Rafting: Compose Numbers to Make 20 (Game 3)
Game
Water Rafting: Compose Numbers to Make 20 (Game 3)
First Grade
Addition
Children use their mental math skills to determine which equations add up to 20 in this math game.
Game
Water Rafting: Compose Numbers to Make 20 (Game 3)
Game
Water Rafting: Compose Numbers to Make 20 (Game 3)
Children use their mental math skills to determine which equations add up to 20 in this math game.
First Grade
Addition
Game
Treasure Diving: Compose Numbers to Make 20 (Game 1)
Game
Treasure Diving: Compose Numbers to Make 20 (Game 1)
First Grade
Addition
Find the sum of 12 plus 8 and other combinations that make 20 in this online diving adventure.
Game
Treasure Diving: Compose Numbers to Make 20 (Game 1)
Game
Treasure Diving: Compose Numbers to Make 20 (Game 1)
Find the sum of 12 plus 8 and other combinations that make 20 in this online diving adventure.
First Grade
Addition
Game
M&M Math
Lesson Plan
M&M Math
First Grade
Addition
In this engaging, hands-on lesson, students solidify their understanding of place value by adding and regrouping two-digit numbers using M&Ms.
Lesson Plan
M&M Math
Lesson Plan
M&M Math
In this engaging, hands-on lesson, students solidify their understanding of place value by adding and regrouping two-digit numbers using M&Ms.
First Grade
Addition
Lesson Plan
Composing and Decomposing
Lesson Plan
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
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
Decompose 11-19: Tens and Ones #2
Worksheet
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
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 #3
Worksheet
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
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 #4
Worksheet
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
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 #5
Worksheet
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
Worksheet
Decompose 11-19: Tens and Ones #5
Get more practice decomposing numbers and writing equations with this inviting math worksheet!
Kindergarten
Addition
Worksheet
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