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Kids solve two- and three-digit addition problems by regrouping in order to help the Professor grow out his beard.

Two- and Three-Digit Addition

In this lesson, kids are given different strategies for finding the sum of two numbers. Addition strategies such as these help third graders gain a deeper understanding of, and fluency with, this operation. The lesson features guided instruction and plenty of practice problems to apply what is being learned. For even more practice, try our third grade addition worksheets recommended to accompany this lesson.

Addition 4

Three digit addition just got much simpler thanks to this exercise that illustrates how to regroup numbers.


Three-Digit Addition and Regrouping Numbers

Improve those skills! Practice three-digit addition with these twelve problems.

Add It Up! Three-Digit Numbers

Searching for a worksheet that practices addition regrouping? This printable is perfect for practicing addition skills like carrying the tens column.

Addition Regrouping

Use this glossary with the EL Support Lesson Plan: Compare & Contrast Addition Strategies.

Glossary: Compare & Contrast Addition Strategies

Use these vocabulary cards with the EL Support Lesson Plan: Compare & Contrast Addition Strategies.

Vocabulary Cards: Compare & Contrast Addition Strategies

Use this worksheet to practice two strategies for solving three-digit addition problems. Students will flex their math muscles as they use both the expanded notation and standard algorithm strategies to solve challenging math problems.

Three-Digit Addition: Part 1

Use this worksheet to continue practice with two addition strategies: expanded notation and standard algorithm. Students will be challenged to solve three-digit addition problems and then check their work using multiple methods.

Three-Digit Addition: Part 2

Use these cards to help students see the difference between adding three-digit numbers using the standard algorithm and expanded notation.

Three-Digit Addition Cards

A board game perfect for sharpening your 1st-grader's addition skills.

Math-Go-Round: Addition (Expert)

This math fluency checklist is a great tool that can be used to encourage students to use different strategies to solve math problems efficiently and accurately.

Math Fluency Checklist

Use these vocabulary cards with the EL Support Lesson Plan: Comparing Strategies for Three-Digit Addition.

Vocabulary Cards: Comparing Strategies for Three-Digit Addition

Use this glossary with the EL Support Lesson Plan: Comparing Strategies for Three-Digit Addition.

Glossary: Comparing Strategies for 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.

Strategy Cards: Three-Digit Addition

Children practice finding the sum of two three-digit whole numbers, with no regrouping, in this math worksheet.

Math Notes: Three-Digit Addition

Kids solve addition problems with three-digit addends using regrouping on this third grade math worksheet.

Coral Reef: Three-Digit Addition with Regrouping

The partial sums method uses place value to help organize multi-digit math problems. Help your child master this strategy with a few practice problems.

Partial Sums

Children practice writing numbers from expanded forms, and expanded forms from numbers.

Place Value: Expanding Numbers #2

Practice adding with this third grade addition worksheet. Your child will hone his addition skills.

Multiple Choice Math: Addition

Third graders can practice addition and engage in a coloring activity in one simple worksheet.

Additional Eggs

Can your second grader use her addition ability to chart the growth of Augusto's snapdragon?

Flower Power Addition #3

Your second grader and his handy addition skills are needed! Can he help Ralph keep track of his hollyhock's growth?

Flower Power Addition #4

Adding large numbers can be tough, but rounding makes it easy. Use rounding to the nearest 100 to make complicated addition problems simple.

Adding and Rounding to the Nearest 100

Add multi-digit numbers with ease in this colorful second-grade math worksheet!

Place Value Chart Addition With Regrouping: Sums to 1,000 #1

Use place value to add three-digit numbers with this second-grade worksheet!

Place Value Chart Addition With Regrouping: Sums to 1,000 #2

Addition will probably be the most basic and most constant use of math for any kid or adult. This worksheet will give your child lots of practice with it.

Round & Add

This simple worksheet is packed with two-digit and three-digit subtraction problems.

Subtraction Practice

Practice&nbsp;two-and three-digit subtraction in this set of school-themed word problems!

Practice Word Problem Subtraction

Review subtraction and check your work with this worksheet that asks kids to subtract, then add in reverse.

Check Your Work: Subtraction

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