Estimate the sum in each of these math problems. Challenge your child to round to the nearest hundred first, then add the two rounded numbers.

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

Learners will determine the rule for each sequence to find the missing numbers in this engaging math puzzle.

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

Enjoy helping your little counter add up the values of these coins. He'll be learning an important skill he can use every day.

Does your second grader need some help with the nuts and bolts of addition? Mark the Mechanic does, too!

What do cows like to listen to? To find the answer to this riddle, your kids will need to sharpen their skills in basic addition. So saddle up and let those addition skills go wild!

Combining addition problems with a word puzzle at the end, this 2nd grade worksheet makes practicing math fun without skimping on the addition help!

Vicky the Veterinarian needs some help adding up the animals in her kingdom. Can your second grader give her some assistance with double-digit addition?

Can your second grader help out Bill the Builder? She'll answer a page full of double-digit addition, and boost his addition skills in the process!

Featuring two-digit addition problems and a bonus word puzzle at the end, this 2nd grade worksheet is big on fun without skimping on the math enrichment.

Bolster your knowledge of the associative property of addition in this charming worksheet!

Did you know that multiplying a number by two is the same thing as adding that number to itself? Use this trick in this lovely math worksheet.

In this worksheet, learn how to add the tens first when using a hundreds chart.

Can your second grader add up these double-digit addition problems to help out Charlie the Chef?

Children skip count by fours to connect the dots and discover the hidden picture.

Children skip count by threes to connect the dots and discover the hidden picture.

Get ready for a deep dive into the properties of addition with this first- and second-grade worksheet!

Featuring a word puzzle at the end, this 2nd grade math worksheet makes two-digit addition new and exciting!

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.

If your little mathematician helps out Ted the Farmer, he'll get some great addition practice as he assists a friend.

Ask your second grader to help out Ken the Carpenter, and his double-digit addition skills will get a boost, too!

Spark your second grader's interest in addition with this colorful worksheet. He'll boost his math skills as he helps out Pete the Plumber!

Once she's added up the numbers in this 2nd grade math worksheet, your child will use her answers to uncover a hidden word.

Give your kids extra addition practice with this worksheet, which teaches them that it's best to focus on the tens first.

As your second grader completes a heap of addition problems and helps out Phil the Painter, she'll increase her confidence with double-digit addition.