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.

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

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

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

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

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

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 finding missing numbers while adding within 20 using ten frames!

Practice adding two-digit numbers on open number lines with this inviting addition worksheet!

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?

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.

Practice addition within 100 using open number lines with this first-grade 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.

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

Let's see those addition skills! Use this math assessment to check in on your students’ abilities to add three numbers by having them solve these problems.

Help your students apply strategies when solving addition problems. This worksheet provides practice for using number lines to solve addition problems with three-digit numbers.

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

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

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.

The decomposing and composing subtraction strategy can be a handy tool for tough three-digit numbers. Use this worksheet to give your students the practice they need to nail down the concept.

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.

This hundred chart worksheet makes adding ten easy!