To bulk up your second grader's addition knowledge, give him this colorful two-digit addition worksheet--complete with a fun, super hero theme.

This fun worksheet is sure to motivate your second grader to practice two-digit addition, and it's great for mental math, too!

Practice counting and adding by ten with a hundred chart!

Double up on doubles practice in this worksheet of matching pairs!

Practice three-digit addition using open number lines with this second-grade math worksheet!

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

Practice writing addition equations within 20 with this inviting and accessible math worksheet!

Spark curiosity and problem-solving skills in young learners with this engaging spring-themed math puzzle!

Here's some valuable single-digit addition practice that will hold your child's interest with some colorful diagrams!

Doubling as a coloring page, this is not your average math worksheet. Second graders will practice addition with carrying, then color to their hearts' content.

Hone your addition skills with this engaging near-doubles worksheet!

Try your luck at adding doubles with this colorful first-grade worksheet!

Learn about the commutative property with this beach-themed worksheet!

Learn to use the commutative property with three-addend addition expressions!

An adorable whale is here to help your child practice addition and learn about inequalities in this cheerful 2nd grade math worksheet.

Introduce your child to basic algebra with this 2nd grade math worksheet. Kids practice reverse addition or subtraction to find the missing numbers.

Kids get a taste of basic algebra in this 2nd grade math worksheet. Kids flip the equations and reverse the operations in order to find the missing number.

Add multi-digit numbers with ease in this colorful second-grade math worksheet!

Use place value to add three-digit numbers with this second-grade worksheet!

Master addition using a place value chart with this engaging second-grade worksheet!

Learn to break apart numbers and form 10 in this helpful addition worksheet!

Test your skills with addition in this essential compensation worksheet!

Learn a new addition strategy using ten frames in this first-grade math worksheet!

Learn your doubles facts with dominoes in this simple addition worksheet!

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

This colorful worksheet asks your second grader to use his addition skills to help Cecilia figure out how much her rose is growing per week.

Start your engines and rush toward the finish line in this engaging addition worksheet!

Comb the beach for hats, starfish, pineapples, and seashells in this first-grade math worksheet! 

Practice counting and addition skills with this early elementary math worksheet featuring a colorful travel theme!

Build up your addition skills in this model-making addition worksheet!