Send your second grader on an underwater double-digit addition challenge!

This colorful worksheet will challenge your second grader to practice double-digit addition as it brings a smile to her face!

Test your child's strength in double-digit subtraction and addition with this ninja worksheet. Challenge his abilities with these tricky word problems!

As these friendly insects provide some creature companionship, your second grader will learn to add and carry over remainders in multi-digit problems!

Your second grader won't mind practicing addition with carrying when they get some help from their favorite furry friend!

Your second grader won't mind practicing double-digit addition--with carrying--with the company of a pretty purple partner!

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

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

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