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1st - 3rd Grade Add by Composing and Decomposing Numbers Resources for 'rounding three digit'

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1st - 3rd Grade Add by Composing and Decomposing Numbers Resources for 'rounding three digit'

21 results
Search for: rounding, three, digit
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Math
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1st - 3rd Grade
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Clear all
21 results
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
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
Make Ten to Add With Number Bonds: Part 1
Make Ten to Add With Number Bonds: Part 1
Worksheet
Make Ten to Add With Number Bonds: Part 1 large image
Make Ten to Add With Number Bonds: Part 1
First Grade
Addition
Sharpen your single-digit addition skills with this helpful first- and second-grade worksheet!
Worksheet
Make Ten to Add With Number Bonds: Part 1
Make Ten to Add With Number Bonds: Part 1
Worksheet
Make Ten to Add With Number Bonds: Part 1
Sharpen your single-digit addition skills with this helpful first- and second-grade worksheet!
First Grade
Addition
Worksheet
Water Rafting: Compose Numbers to Make 10 (Game 3)
Water Rafting: Compose Numbers to Make 10 (Game 3)
Game
Water Rafting: Compose Numbers to Make 10 (Game 3) large image
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)
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
M&M Math
M&M Math
Lesson Plan
M&M Math large image
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
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
Treasure Diving: Compose Numbers to Make 10 (Game 3)
Treasure Diving: Compose Numbers to Make 10 (Game 3)
Game
Treasure Diving: Compose Numbers to Make 10 (Game 3) large image
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)
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
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
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
Water Rafting: Compose Numbers to Make 20 (Game 3)
Water Rafting: Compose Numbers to Make 20 (Game 3)
Game
Water Rafting: Compose Numbers to Make 20 (Game 3) large image
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)
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 3)
Treasure Diving: Compose Numbers to Make 20 (Game 3)
Game
Treasure Diving: Compose Numbers to Make 20 (Game 3) large image
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)
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
Make 10 to Add Three Numbers: Circle and Solve
Make 10 to Add Three Numbers: Circle and Solve
Worksheet
Make 10 to Add Three Numbers: Circle and Solve large image
Make 10 to Add Three Numbers: Circle and Solve
First Grade
Addition

Explore different ways to make 10 with this first- and second-grade addition worksheet! 

Worksheet
Make 10 to Add Three Numbers: Circle and Solve
Make 10 to Add Three Numbers: Circle and Solve
Worksheet
Make 10 to Add Three Numbers: Circle and Solve

Explore different ways to make 10 with this first- and second-grade addition worksheet! 

First Grade
Addition
Worksheet
Add Using Compensation: Make a New Equation #1
Add Using Compensation: Make a New Equation #1
Interactive Worksheet
Add Using Compensation: Make a New Equation #1 large image
Add Using Compensation: Make a New Equation #1
Second Grade
Addition
Sharpen your mental math skills with this second- and third-grade compensation worksheet! 
Interactive Worksheet
Add Using Compensation: Make a New Equation #1
Add Using Compensation: Make a New Equation #1
Interactive Worksheet
Add Using Compensation: Make a New Equation #1
Sharpen your mental math skills with this second- and third-grade compensation worksheet! 
Second Grade
Addition
Interactive Worksheet
Make Ten to Add #1
Make Ten to Add #1
Worksheet
Make Ten to Add #1 large image
Make Ten to Add #1
First Grade
Addition
Enhance your addition skills with this colorful first-grade worksheet about making 10!
Worksheet
Make Ten to Add #1
Make Ten to Add #1
Worksheet
Make Ten to Add #1
Enhance your addition skills with this colorful first-grade worksheet about making 10!
First Grade
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
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
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
Make 10 to Add: Cut-and-Paste Puzzler #1
Make 10 to Add: Cut-and-Paste Puzzler #1
Interactive Worksheet
Make 10 to Add: Cut-and-Paste Puzzler #1 large image
Make 10 to Add: Cut-and-Paste Puzzler #1
First Grade
Addition
Discover combinations that make 10 with this engaging cut-and-paste worksheet, designed for first and second graders!
Interactive Worksheet
Make 10 to Add: Cut-and-Paste Puzzler #1
Make 10 to Add: Cut-and-Paste Puzzler #1
Interactive Worksheet
Make 10 to Add: Cut-and-Paste Puzzler #1
Discover combinations that make 10 with this engaging cut-and-paste worksheet, designed for first and second graders!
First Grade
Addition
Interactive Worksheet
Make Ten to Add #2
Make Ten to Add #2
Worksheet
Make Ten to Add #2 large image
Make Ten to Add #2
First Grade
Addition
Learn to break apart numbers and form 10 in this helpful addition worksheet!
Worksheet
Make Ten to Add #2
Make Ten to Add #2
Worksheet
Make Ten to Add #2
Learn to break apart numbers and form 10 in this helpful addition worksheet!
First Grade
Addition
Worksheet
Make 10 to Add: Matching #1
Make 10 to Add: Matching #1
Worksheet
Make 10 to Add: Matching #1 large image
Make 10 to Add: Matching #1
First Grade
Addition
Practice making 10 to solve equations with this colorful first- and second-grade worksheet! 
Worksheet
Make 10 to Add: Matching #1
Make 10 to Add: Matching #1
Worksheet
Make 10 to Add: Matching #1
Practice making 10 to solve equations with this colorful first- and second-grade worksheet! 
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
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
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