Three-Digit Addition

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Three Digit Addition
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Add the 10s First! (Part Two)
Add the 10s First! (Part Two)
Worksheet
Add the 10s First! (Part Two)
Give your kids extra addition practice with this worksheet, which teaches them that it's best to focus on the tens first.
2nd grade
Math
Worksheet
Addition with Carrying #4
Addition with Carrying #4
Worksheet
Addition with Carrying #4
If your child likes to carry, then this is the worksheet for her!
2nd grade
Math
Worksheet
By the Numbers 2
By the Numbers 2
Worksheet
By the Numbers 2
What do cows like to listen to? To find the answer to this riddle, your kids will need to sharpen their skills in basic addition. So saddle up and let those addition skills go wild!
2nd grade
Math
Worksheet
Using Base 10 Drawings in Two-Digit Addition
Using Base 10 Drawings in Two-Digit Addition
Worksheet
Using Base 10 Drawings in Two-Digit Addition
This worksheet teaches you to use base 10 drawings to add two-digit numbers.
2nd grade
Math
Worksheet
Vocabulary Cards: Thinking Deeply About Word Problems
Vocabulary Cards: Thinking Deeply About Word Problems
Worksheet
Vocabulary Cards: Thinking Deeply About Word Problems
Use these vocabulary cards with the EL Support Lesson: Thinking Deeply About Word Problems.
3rd grade
Math
Worksheet
Three-Digit Addition Cards
Three-Digit Addition Cards
Worksheet
Three-Digit Addition Cards
Use these cards to help students see the difference between adding three-digit numbers using the standard algorithm and expanded notation.
4th grade
Math
Worksheet
Glossary: Compare & Contrast Addition Strategies
Glossary: Compare & Contrast Addition Strategies
Worksheet
Glossary: Compare & Contrast Addition Strategies
Use this glossary with the EL Support Lesson Plan: Compare & Contrast Addition Strategies.
4th grade
Math
Worksheet
Hop to It!
Hop to It!
Worksheet
Hop to It!
With this worksheet students will practice using the number line strategy to add three-digit numbers.
3rd grade
Math
Worksheet
Strategy Cards: Three-Digit Addition
Strategy Cards: Three-Digit Addition
Worksheet
Strategy Cards: Three-Digit Addition
Use these strategy cards to help students develop their compare and contrast skills, along with deepening their understanding of three-digit addition.
2nd grade
Math
Worksheet
Counting on the 100s Chart (Part Two)
Counting on the 100s Chart (Part Two)
Worksheet
Counting on the 100s Chart (Part Two)
Represent ones and tens with crayons in this fun worksheet.
2nd grade
Math
Worksheet
Vocabulary Cards: Compare & Contrast Addition Strategies
Vocabulary Cards: Compare & Contrast Addition Strategies
Worksheet
Vocabulary Cards: Compare & Contrast Addition Strategies
Use these vocabulary cards with the EL Support Lesson Plan: Compare & Contrast Addition Strategies.
4th grade
Math
Worksheet
Add the 10s First! (Part One)
Add the 10s First! (Part One)
Worksheet
Add the 10s First! (Part One)
In this worksheets, learn how to add the tens first when using a hundreds chart.
2nd grade
Math
Worksheet
Spring Three-Digit Addition Check-in
Spring Three-Digit Addition Check-in
Worksheet
Spring Three-Digit Addition Check-in
How are your students coming along in their three-digit addition skills? Use this spring math assessment to gauge your students' abilities to add within 1,000.
2nd grade
Math
Worksheet
Vocabulary Cards: Comparing Strategies for Three-Digit Addition
Vocabulary Cards: Comparing Strategies for Three-Digit Addition
Worksheet
Vocabulary Cards: Comparing Strategies for Three-Digit Addition
Use these vocabulary cards with the EL Support Lesson Plan: Comparing Strategies for Three-Digit Addition.
2nd grade
Math
Worksheet
Glossary: Comparing Strategies for Three-Digit Addition
Glossary: Comparing Strategies for Three-Digit Addition
Worksheet
Glossary: Comparing Strategies for Three-Digit Addition
Use this glossary with the EL Support Lesson Plan: Comparing Strategies for Three-Digit Addition.
2nd grade
Math
Worksheet

Three-Digit Addition

After your students have mastered two digit addition, get them going on three digit addition by incorporating worksheets that not only keep learning fun but help keep everything in order. It’s easy for students to get confused when working on addition problems that incorporate multiple digits, but these worksheets will lay out everything clearly and keep everything organized when teaching three digit addition.
Multi-digit addition is the first thing early learners will do that will break out of something they can do on their fingers. This will be their opportunity to use mental math and the addition within 10 that they’ve memorized in order to solve complicated problems.
There are multiple ways of solving three digit addition problems. One of the foundational concepts behind our learning system is to approach problems from different directions. This increases understanding and number sense. Practicing these methods using the resources provided by Education.com above may help students gain proficiency in three digit addition.
Break Apart
If your student is attempting three digit addition, they should already have a good grasp of addition up to 10. The break apart method uses this foundation by breaking the numbers into whole hundreds, tens, and ones, then adding those individually. Each of these individual problems can be done as a single digit problem, simply adding the zeros on afterwards. The sums are then added together to get the final sum of the original problem.
Number Line
Using a number line is similar to the break apart method but also helps the student visually understand how the numbers are increasing. In order to use the number line method, students would draw a number line and write one of the two addends at the starting point of the number line. Then they will jump forward once for each hundred, writing the new number on the number line. This process is repeated with the tens and ones until the final sum is reached.