1st - 3rd Grade Common Core Addition Strategies Resources

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

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.

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

Practice adding one to numbers within 10 with this first-grade 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.

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

Give your young mathematicians practice with number bonds and number sentences in this visually interesting worksheet that has students composing and decomposing numbers.

Practice finding missing numbers while adding within 20 using ten frames!

Looking for a different way to engage your child with his addition facts? This color by number underwater scene might do the trick!

If your child is looking for a number challenge, we've got the worksheet for her. She may be a whiz at adding two numbers, but can she add three numbers?

Show your first grader how to infuse Groundhog's Day with some addition practice. This bright worksheet's as fun to look at as it is to complete!

Practice addition within 100 using open number lines with this first-grade math worksheet!

Your little one will love practicing basic addition with this Valentine's Day worksheet! She'll do some coloring as she solves each equation.

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

Give your students simple two-digit numbers to practice the decomposition addition strategy! This can be used as a stand-alone activity or in conjunction with the Composing and Decomposing lesson plan.

Teach your students to solve word problems with three addends. Plenty of space is provided for students to show their thinking!

Single-digit addition is a leap away using number lines like the ones on this worksheet.

This worksheet takes your child a step farther than one-digit addition. As he completes the page, he'll learn to add a two-digit number to a one-digit number.

Use the mat to give students extra practice composing a 10 as they learn to add to 20.

Get more practice adding multiples of 10 on an open number line with this colorful worksheet!

Practice adding tens on an open number line with this first-grade math worksheet!

Practice decomposing numbers and writing equations with this kindergarten and first-grade math worksheet!

Give your young math learner practice composing numbers 11–19 with this addition strategies worksheet!

Let's see how those addition skills have blossomed over the course of the year! Use this quick math assessment to gauge your students' abilities to add three-digit numbers, both with and without regrouping.

It’s time for students to make their own number bonds! In this activity, students will be given number sentences to solve and represent using number bonds.