Kindergarten and 1st Grade Common Core Addition Worksheets

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.

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

Learners practice addition and subtraction within 20 in this St. Patrick's Day-themed math puzzle!

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.

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

Practice addition and subtraction within 20 with this sweet Valentine’s Day math puzzle!

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

In the chill of winter, keep your child's brain warmed up with some single-digit addition. This is a great chance for her to brush up on her math facts.

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

Celebrate Valentine's Day and practice math at the same time with this first grade addition worksheet. Use the kisses to help you solve the problems.

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.

Count the number of vegetables in each box to find the answer to each of the addition problems.

Children will count and add rainbows, shamrocks, harps, and even sheep in this playful St. Patrick's Day math 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!

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 addition and subtraction within 10 in this St. Patrick's Day-themed math puzzle!

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

Teach kindergarteners addition facts with this addition within 10 worksheet!

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

Make the leap from counting to addition with this fun picture addition activity.

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

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

Kids practice adding single-digit numbers and writing the sums on this garden-themed kindergarten math worksheet.

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.

Your students have been plugging away at their math skills all year. Now it's time to put those skills to the test! Use this math assessment to check in on your students’ abilities to add 10 to two-digit numbers.

One more vegetable! This worksheet will have your students figuring out what happens when you add one more vegetable to the existing list.