This math fluency checklist is a great tool that can be used to encourage students to use different strategies to solve math problems efficiently and accurately.

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

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

Explore properties of operations while writing addition equations in this second-grade math worksheet!

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

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

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

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

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

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

What does carrying have to do with math? Help your second grader find out with this worksheet full of big number addition and carrying hints.

This worksheet isn't for beginners! Let your math savvy kid take on this carrying challenge. Can he add up these big numbers to find the correct sum?

How are your students coming along in their three-digit addition skills? Use this spring math assessment to gauge your students' abilities to add within 1,000.

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.

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.

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

Go on a number adventure with this jungle-themed worksheet. Kids will use their number know-how to order numbers and clear a path through the jungle.

Represent ones and tens with crayons in this fun worksheet.

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

Carrying over takes a bit of practice. Give your second grade mathematician a boost with these practice problems.

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

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

Help your child get used to addition with carrying so that she'll be all ready to go by the time it's introduced in school.

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

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