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

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.

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

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

Kids practice reverse two-digit addition and subtraction to find the missing numbers in this 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 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 in which he'll practice reverse addition and 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.

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.

Draw on your knowledge of doubles to solve these addition problems!

Explore finding missing starting numbers in addition equations with this engaging hundred-chart worksheet!

Learn how to use doubles facts to solve other addition problems!

Test your addition skills with this helpful hundred chart worksheet!

Find friends in trusty tens with this colorful addition worksheet!

Use addition and subtraction to find the correct path through the puzzle.

Use problem solving and critical thinking skills to find different sums in these puzzles.

Practice using repeated addition to find the total number of objects in equal groups.

This addition puzzle is a great math challenge. Experiment with the number combinations to find the requested sums.

Practice using place value charts to find sums with this addition worksheet for first and second graders!

Help the frog find its way to the pond with this addition worksheet for first and second graders!

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

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.

What does carrying have to do with math? Help your second grader find out with this worksheet full of big number addition and carrying hints.

Practice some merry math with these Christmas-themed word problems. Kids will use math skills to find the correct number of wreaths, carolers, and chocolates.

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.

This worksheet isn't for beginners! Let your math savvy kid take on this carrying challenge. Can he add up these big numbers to find the correct sum?

Can your second grader dig a little deeper into number comparisons? Have her find the missing number that makes each "greater than" equation true.

Should this Christmas present be red, yellow, or green? It's up to your young mathematician to find out in this Christmas math and color-by-number worksheet.