1st and 2nd Grade Common Core Addition Strategies Worksheets

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! 

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

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!

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

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

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

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

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

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

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

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

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

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.

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.

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

This hundred chart worksheet makes adding ten easy!

The second in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!

Get more practice adding tens on an open number line with this first-grade math worksheet!

Use these strategy cards to help students develop their compare and contrast skills, along with deepening their understanding of three-digit addition.

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

The fourth in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!

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