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

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

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

Use these vocabulary cards with the EL Support Lesson: Thinking Deeply About Word Problems.

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

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

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.

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!

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

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

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

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

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

In this worksheet that contains a storyline about a bakery, students will solve two-step, three-digit addition problems.

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

Give your kids extra addition practice with this worksheet, which teaches them that it's best to focus on the tens first.

Represent ones and tens with crayons in this fun worksheet.

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

Learn to perform addition with three-digit numbers in this essential worksheet!

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.

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

Get more practice exploring properties of operations while writing addition equations in this second-grade math worksheet!

In this worksheets, learn how to add the tens first when using a hundreds chart.

Challenge yourself to solve three-digit addition problems in this colorful worksheet!

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

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

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

The best way to solve a complicated problem is to break it down. Help your students use the Read, Write, Draw strategy to solve word problems with this worksheet.

Once your child masters addition with carrying, there's practically no number too big for her to add!

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