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.

This hidden animal at the Dot-to-Dot Zoo is 'hopping' to meet you. Kids will skip count by fours to reveal a hidden kangaroo.

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.

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.

Give your child practice with his math skills with this first grade worksheet, which is all about addition.

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

Gather the fact family equations hidden in the puzzle to complete the fact family. Finish with an organized written report of your findings.

Help your first grader practice math with this fun printable worksheet, which is all about addition.

Give your child doubles addition practice within 10 with this fun matching worksheet!

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

Math search puzzles are a fun and clever way of helping kids review math facts. Print 'em out and see how many your kid can find!

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

Help Spiky complete these addition problems and help him find his bone!

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

Find the mystery number in this intro-to-algebra worksheet that practice places value.

Find plums and sums as you solve addition facts in this first-grade worksheet!

Count the number of school supplies in each box to find the answers to the simple addition problems.

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

With this first grade math worksheet, kids count and add bananas to find sums up to 9.

Practice addition from a different approach with these number stories. Find the addition equation in each word problem.