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.

By breaking down numbers, your third graders will learn to do fast addition!

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.

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.

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

Kids complete each equation on this third grade math worksheet by determining whether an equation is addition or subtraction and writing in the correct sign.

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.

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