Crack the code of the missing starting number with this investigative subtraction worksheet!

Have your first and second graders try to crack the code and solve the puzzle, one number box at a time!

Each Christmas gift in this math and coloring worksheet contains an addition or subtraction problem that helps your child crack the color 'code.'

Can you decode the secret message hidden in these addition problems?

To determine this hero's mystery code name, your second grader needs to find the answers to this page full of two-digit addition problems.

Use math to solve an international mystery! Where in the world is the super secret location?

Help Santa color his gifts. With some math know-how and a few festive crayons, your child just might save Christmas.

Sail smoothly through addition practice with this hundred chart worksheet for first and second graders!

First and second graders will have snow much fun with this winter-themed puzzle worksheet!

Where in the world is the mysterious location this time? Solve the addition problems to decipher the secret city, country and continent!

See subtraction success with a fun practice sheet! Beginners will review basic subtraction facts as they unlock a hidden fun fact at the bottom of the page.

To figure out the name of the mystery super hero, your child simply needs to answer a page full of two-digit addition problems!

Give your second grader's two-digit addition skills a healthy work out with a worksheet that's heavy on learning--and fun!

Ready for another round of where in the world? Be an international math detective as you solve addition problems to discover the secret location!

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

Is your second grader having trouble with two-digit addition? Get her excited about math with this entertaining worksheet that has a fun, super hero theme!

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

Give your second grader a helping hand with two-digit addition with an addition worksheet with a fun, super hero theme.

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

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

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

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

Looking for a way to boost your second grader's two-digit addition skills that's not a total bore? We've got the answer for you: a super hero-themed worksheet!