Kids practice reverse two-digit addition and subtraction to find the missing numbers in this 2nd grade math worksheet.

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

Use your addition expertise to find the missing digits in each equation with this second- and third-grade worksheet!

One way to find the missing number in an equation is to use a number line. Your kid will do just that in this set of addition problems.

This activity will help students reflect on the many potential combinations for a number as they work on identifying a missing part of a whole using dots and a word bank.

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

With this worksheet, your second graders will be adding up two-digit and three-digit numbers with ease.

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

Count like a champ! Your kid will find missing numbers in no time when he learns how to use a number line. Now get searching!

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

Kids practice reverse addition and subtraction to find the missing numbers in this challenging 2nd grade math worksheet.

Go over adding two-digit numbers to one-digit numbers with this helpful worksheet.

Kids practice reverse addition and subtraction to find the missing numbers in this fun 2nd grade math worksheet.

Children will put their three-digit addition skills to the test as they solve 23 practice problems in this math worksheet.

Kids get an intro to basic algebra by practicing reverse addition and subtraction to find the missing numbers in this challenging 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 try their hand at reverse addition and subtraction in order to find the numbers missing from each equation in this 2nd grade math worksheet.

Introduce your child to basic algebra with this 2nd grade math worksheet in which he'll practice reverse addition and 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.

Students solve addition problems with two-digit addends and no regrouping on this fruit-themed worksheet.

Children practice finding the sum of two three-digit whole numbers, with no regrouping, in this math worksheet.

Tackle two-digit addition with place value charts in this helpful worksheet!

As these friendly insects provide some creature companionship, your second grader will learn to add and carry over remainders in multi-digit problems!

For double-digit addition practice, try this second grade math worksheet. Don't forget to carry that one!

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

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

Use these strategy cards to help students develop their compare and contrast skills, along with deepening their understanding of three-digit addition.

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

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