Keep your second grader entertained--and teach her two-digit addition skills at the same time--with this super hero-themed worksheet.

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

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

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

Jump forward and backward on a number line to solve addition problems in this engaging worksheet!

Does your second grader need a math boost? Help her get a grip on her two-digit addition skills--and a super power--with this dynamic worksheet.

Help your second grader strengthen her two-digit addition skills ... and pretend she's a super hero at the same time!

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

Students solve addition problems with two-digit addends and no regrouping on this fruit-themed worksheet.