These equations have lost their signs! Only one sign — plus or minus — can make each equation true.

Addition with carrying is probably a confusing and overwhelming new idea for your second grader, so use these worksheets to help clear things up!

The fifth page of this series takes things up a notch for your child, whether she's building addition and subtraction facts fluency or just practicing.

Got a speed demon on your hands? See how fast he really is with this worksheet that asks him to think of 5 things he can do in under 10 seconds.

Get in spirit of April Fools' Day with this set of wacky word problems! Follow Ryan on his very odd day, where things don't seem to add up.

Featuring word problems all about shopping and money, this worksheet is a great way to practice 3-digit addition.

Complete the number sentence by counting left and right on a number line. Can your child find all the missing numbers?

Help your child get used to addition with carrying so that she'll be all ready to go by the time it's introduced in school.

Practice place value, rounding and addition, all in one worksheet! Your child will learn to add up estimated sums quickly in his head.

Add like mad with our thrilling addition worksheet! This three-minute math drill gets your child racing to complete all the addition equations on the page.

These Halloween word problems get your child in a frightful mood for All Hallows' Eve. Help your child practice some Halloween math with these word problems.

Unleash your inner artist to solve these word problems using metric length! Draw a picture of what is being measured to help find the answer.

Kids use two-digit addition to solve a handful of word problems.

Make the math concept "less than" more clear with a colorful worksheet that gets him practicing with number comparisons to make each equation true.

If addition with carrying is getting your second grader down, have her complete this colorful worksheet!

These two-digit addition problems are ready for your second grader to solve.

This math worksheet tests your child's addition and riddle-solving skills. Find out the answer to the riddle, "Which month has 28 days?"

Carrying over remainders in double-digit addition will become second nature to your child with some practice with this adorable printable!

Want to bulk up your second grader's two-digit addition skills? This super hero-themed worksheet will do the trick!

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

After completing some difficult double-digit addition, your second grader will be delighted to move onto some creative coloring!

Use math to construct a thriving city in this colorful worksheet for second graders!

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.

Let the construction begin! Learners will use number sentences to make buildings in this inviting addition worksheet!

Test your addition skills with this helpful hundred chart worksheet!

How many shells did Sally sell by the seashore? Get your student in gear for math with this addition worksheet.

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

Help the rafflers add up the donations by completing word problems using three-digit addition.

Teach your child about customary measurement and number lines with these addition word problems.

Not only does this worksheet bolster kids' addition skills, it's a great mental math exercise, too.