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

Put your addition skills to the test with these puzzle boxes for second and third graders!

Put your addition skills to the test with these puzzle boxes for second and third graders! 

Hop, skip, and jump using compensation in this second- and third-grade addition worksheet!

Let the construction begin! Learners will use number sentences to make buildings in this inviting addition worksheet!