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.

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

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

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

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

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.

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

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

Multi-digit addition can be tricky. Teach your third graders fast addition and they will be on their way to mastering this concept.

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.

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