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.

Keep your second grader entertained--and teach her two-digit addition skills at the same time--with this super hero-themed worksheet.

Help your child practice adding four-digit and three-digit numbers! This Easter-themed math worksheet is more interesting than your average printable.

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

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

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

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

Students solve addition problems with two-digit addends and no regrouping on this fruit-themed worksheet.

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

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

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

Tackle two-digit addition with place value charts in this helpful worksheet!

Practice multi-digit addition with this hundred chart worksheet for second graders! 

Use these strategy cards to help students develop their compare and contrast skills, along with deepening their understanding of three-digit addition.

Two-digit addition got your second grader down? Liven up math practice with this extraordinary worksheet.

Guide your second grader through this fun, two-digit addition worksheet to boost her mental math skills.

Is your second grader struggling with two-digit addition? This super hero worksheet should motivate him to practice math!

Got a second grader who's reluctant to practice math? Addition loses its bore factor with a math worksheet infused with extraordinary energy.

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

Two-digit addition troubling your second grader? The only way to get the concept down is practice, practice ... and more practice!

Has your second grader ever wanted to play super hero? Let him do just that with this two-digit addition worksheet.

This worksheet teaches you to use base 10 drawings to add two-digit numbers.

Kids solve addition problems with two-digit addends to move from ice chunk to ice chunk and help Polly get to her cub on this second grade math worksheet.