Students use open number lines to help them write addition equations in this first-grade practice worksheet!

Is just the thought of double-digit addition making your child cringe? Give her a helping hand with this colorful worksheet!

Get more practice performing addition within 100 using open number lines with this first-grade math worksheet!

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

Get more practice performing addition within 100 using open number lines with this first-grade math worksheet!

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

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

Get more practice adding multiples of 10 on an open number line with this vibrant worksheet!

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

Get more practice adding multiples of 10 on an open number line with this colorful worksheet!

Use open number lines to practice addition within 100 with this colorful math worksheet!

Kids solve addition problems with three-digit addends to move from bubble to bubble on this second grade math worksheet.

Your second grader will become an addition pro with worksheets targeted at developing mental math skills and an understanding of adding multiple columns!

This colorful math worksheet will get your second grader practicing double-digit addition--with carrying!

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

3...2...1...go! Students will apply their knowledge of addition facts with this speedy worksheet!

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