Who's the mystery president? Your second grader can find out by skip counting by threes to complete the dot-to-dot.

To complete this adorable worksheet, have your second grader re-write each addition equation vertically and then solve using regrouping.

Guide your second grader through this fun, two-digit addition worksheet to boost her mental math skills.

Does your second grader need help with double digit addition? Help her strengthen her mathematical skills while uncovering the hidden phrase.

Two-digit addition troubling your second grader? The only way to get the concept down is practice, practice ... and more practice!

Spark your second grader's interest in practicing math with a two-digit addition worksheet--complete with a super hero and his special power!

Got a second grader who's reluctant to practice math? Addition loses its bore factor with a math worksheet infused with extraordinary energy.

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

While your second grader may not learn super-human abilities with this fun worksheet, he may gain exceptional addition skills!

Know a second grader who could use stronger math skills? Give her a helping hand with this super power-infused, two-digit addition worksheet.

Looking for a fun way to boost your second grader's two-digit addition skills? This super power-infused worksheet will actually motivate her to practice math.

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.

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

Sharpen second graders' hundred chart know-how with this addition worksheet!

Practice addition while solving number puzzles in this engaging worksheet for first and second graders!

Strengthen your fluency skills with this beach-themed addition worksheet for first and second graders!

Test your second grader's knowledge of addition and subtraciton with these challenging Christmas word problems!

Challenge your second grader's knowledge of addition and subtraction with these festive Christmas word problems!

Challenge your second grader with some 2-digit addition review using this addition crossword!

This worksheet engages second graders in a fun, connect-the-dots activity while encouraging counting in multiples of nine.

First and second graders will LOVE finding the missing numbers in this adorable Valentine’s Day math puzzle!

Two-digit addition got your second grader down? Liven up math practice with this extraordinary worksheet.

Build a chocolate box while practicing addition in this Valentine’s Day worksheet for first and second graders!

Practice is the best medicine for a second grader struggling with two-digit addition. This fun worksheet's sure to help him out!

Give your second grader's two-digit addition skills some practice time with a worksheet that's heavy on learning--and fun!

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

These Christmas presents are missing some color! Challenge your second grader to review addition and subtraction facts by solving the equations in these gifts.

Looks like Santa has been here! These Christmas gifts each have an addition or subtraction problem for your second grader to solve.

Santa has left 10 Christmas gifts under the tree. Each present has an addition or subtraction problem for your second grader to solve.

Strengthen your second grader's ability to tackle his addition facts by adding up the number strings, and uncover a fun fact when he's finished.