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.

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

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

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

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!

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.

Kindergarten students are practicing their addition skills! Help them practice adding one more using this helpful worksheet.

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

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!

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.

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

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

Teach kindergarteners addition facts with this addition within 10 worksheet!

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.

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

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.

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.