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.

Let's see how those addition skills have blossomed over the course of the year! Use this quick math assessment to gauge your students' abilities to add three-digit numbers, both with and without regrouping.

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.

In this Halloween-themed math worksheet, students will look at existing game boards and add one and two-digit numbers as they try to determine who got the pumpkin in the pumpkin race game.

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.

Give your young mathematicians practice with number bonds and number sentences in this visually interesting worksheet that has students composing and decomposing numbers.

Make two-digit addition easier with this inviting worksheet!

Use this visual model to practice adding 10 to two-digit numbers!

Get even more practice adding tens on an open number line with this first-grade math worksheet!

Practice adding tens with a visual model in this helpful worksheet!

Sharpen your mental math skills with this second- and third-grade compensation worksheet! 

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

Practice counting and adding by ten with a hundred chart!

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

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!

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

Test your skills with addition in this essential compensation worksheet!

Practice addition within 100 using open number lines with this first-grade math worksheet!

It's time to check those addition skills! Use this to assess your student’s abilities to add within 20.

Sharpen second graders' hundred chart know-how with this addition worksheet!

Use a visual model to solve these two-digit addition problems!

Hone your two-digit addition skills in this essential worksheet!

Create models of addition problems with this compensation worksheet for second and third graders!

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

Practice adding tens on an open number line with this first-grade math worksheet!

Practice adding multi-digit numbers in this second- and third-grade worksheet!

Step up your place value skills with these engaging addition problems!