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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

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

Add It Up! Three-Digit Numbers

Practice three-digit addition with regrouping in this set of 36 problems.

Extra Practice: Three-Digit Addition with Regrouping

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

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

Word problems make for great assessment tools because they require a complete understanding of the math concepts. Use this assessment to evaluate your students' abilities to add and subtract three-digit numbers using mixed operation word problems.

Mixed Operation Word Problem Check-in

Learners will solve 20 two- and three-digit addition problems in this versatile practice worksheet.

3-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

Carrying over takes a bit of practice. Give your second grade mathematician a boost with these practice problems.

Addition with Carrying #8

Children will put their three-digit addition skills to the test as they solve 23 practice problems in this math worksheet.

Three-Digit Addition

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

Does your child ever wonder where to put the numbers she carries over in addition problems? He'll wonder no more with this helpful worksheet!

Addition with Carrying #5

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 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

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

This lesson helps students develop an ability to compare and contrast as they explore two strategies to solve three-digit addition problems. This EL Math lesson can be used alone or alongside Three-Digit Addition Strategies Review.

Comparing Strategies for 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

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

Math Notes: Three-Digit Addition

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

Multiple Choice Math: Addition

Give students practice adding three-digit numbers within 1,000!&nbsp;

Add Three-Digit Numbers

Use this lesson to review three-digit addition strategies including base-ten drawings, number lines, and the standard algorithm.

Three-Digit Addition Strategies Review

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

Additional Eggs

If your child likes to carry, then this is the worksheet for her!

Addition with Carrying #4

Bolster your third grader&#39;s addition skills with at-home practice in three-digit addition.

Addition Practice: Triple Digits

Adding up big numbers can be tricky. Teach your budding mathematician a helpful trick to keep the numbers in line with carrying!

Addition with Carrying #2

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

Addition Regrouping

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

Practice three-digit addition using open number lines with this second-grade math worksheet!

Adding Three-Digit Numbers on an Open Number Line #1

Get more practice performing three-digit addition using open number lines with this second-grade math worksheet!

Adding Three-Digit Numbers on an Open Number Line #2

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