Try using the associative property in this fill-in-the-blank worksheet!

Test your addition skills with this helpful hundred chart worksheet!

Your child will practice subtraction, by using inverse operations. Find the missing numbers to solve the subtraction problems.

Children complete an addition chart, then fill in missing addends and sums in this useful practice worksheet.

First and second graders will LOVE finding the missing numbers in this adorable Valentine’s Day math puzzle!

Oh no! This toucan is missing his beak. Help finish this picture by skip-counting by seven to connect the dots.

Your can experiment with addition facts here in the math lab. Can he write the missing addition symbols and complete the problems?

These scales need balancing! By filling in missing addends, this worksheet helps students understand how an equals sign means “the same as.”

Have a ball with this addition and subtraction worksheet! Kids fill in the missing numbers on each beach ball to make its statement true.

These Christmas presents are missing some color! Challenge your second grader to review addition and subtraction facts by solving the equations in these gifts.

It’s time to learn more about the equals sign! By filling in missing factors, students learn how the equals sign means “the same as.”

Master two-digit addition with the help of place value charts!

These Christmas presents are missing some color! Challenge your child to review her addition and subtraction math facts by solving the equations in these gifts.

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

There’s value in adding with place value! Practice using place value charts in this charming second-grade worksheet!

Kids add, subtract, or use math facts they have committed to memory to fill in the missing numbers in the fact families on this second grade math worksheet.

Here's one way to reinforce addition facts and basic math vocabulary. Your child can add up the numbers and fill in missing signs in these addition problems.

Do some Christmas coloring in this addition and subtraction math worksheet. Kids will fill in missing colors in Santa's presents as they solve math problems.

Number bonds are a great way for your kids to explore the relationship between addition and subtraction. By filling in the missing numbers, students get experience with fact families.

Practice using place value to solve addition problems with this math worksheet!

There are 10 gifts under the Christmas tree, but they're missing their colors. Your child will use his math and creative skills to color them in this worksheet.

How many ways can you add up to ten? In this worksheet, kids practice making ten by filling in the missing number in each equation to make it equal ten.

This worksheet helps students understand how an equals sign means “the same as.” By filling in missing factors, students gain practice seeing how multiple number combinations can make the same number.

Practice addition facts within 10 with this high-flying math crossword puzzle!

In this fact family practice worksheet, kids show that they understand the inverse relationship between addition and subtraction.

Your child will add up the dice to build a fact family number sentence. Then, she will use her math skills to complete the fact family triangle.

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