Ready, set, go! Start the timer and get going on this one-minute math addition practice.

It's time to check those addition skills! Use this to assess your student’s abilities to add within 20.

Starlight, star bright, let's add these numbers right! Practice single-digit addition in this colorful preschool and kindergarten worksheet.

An introduction to addition worksheet for preschoolers and kindergarteners, featuring a fish theme.

Adding numbers within 20 is as easy as counting balloons with this colorful and simple worksheet.

Give children a gentle introduction to addition with help from this simple addition worksheet.

Learners will take on 20 one-digit addition problems in this sweet springtime worksheet.

This worksheet is a fun way to help preschoolers and kindergarteners work on counting and ease into addition. This one has a food theme. How many yummy treats are there?

Keep math skills warm during the chilly months with this winter-themed addition worksheet!

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

An introduction to addition for preschoolers and kindergarteners, featuring pictures of balloons.

Count and add the Thanksgiving pictures in this simple addition worksheet! 

Jump to the rhythm of the math beat with this 1st grade worksheet that features single-digit addition problems with sums up to 9.

Featuring simple addition problems and adorable sea creatures, this color by sum sheet is sure to entertain your child as he gets essential math practice.

Word problems are a great way to apply math knowledge to real-world situations. Check in on your first graders’ abilities to solve addition word problems with this handy assessment.

Give students practice adding 2 to numbers within 10 with this addition worksheet!

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.

Students will practice adding within 10 as they identify the missing numbers on each number bond using the numbers at the bottom of the page.

Practice adding one to numbers within 10 with this first-grade addition worksheet!

How many zebras do you see? What about tigers? Practice your math skills with animals. Count and add up the drawings to practice addition.

If your preschooler or kindergartener has an eye for style, this worksheet will help get them adding. Have them count the total number of hats when presented with two groups of hats.

Challenge your child with some basic addition and subtraction problems. Then she can use the answers to color by number her own work of art!

Help your child review core addition skills and work their mental math muscles with these quick word problems.

Use this number line as a tool to practice adding and subtracting within 20.

An introduction to addition worksheet for preschoolers and kindergarteners, featuring sofas, chairs, and cushions.

An introduction to addition worksheet for preschoolers and kindergarteners, featuring presents.

Add numbers within 20 using ten frames with this first-grade math worksheet!

Let's catch some critters! Apply those counting skills to addition with this creepy-crawly picture math worksheet.

Time for school! Have your first grader take a look at this school (school of fish, that is) and solve the addition problems.

Teach kindergarteners addition facts with this addition within 10 worksheet!