1st Grade Common Core Multi-Digit Addition Worksheets

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

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

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

This cute all-in-one worksheet boosts your kid's addition skills and reading comprehension ability.

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

Brave math explorers can venture through a jungle of one and two digit addition problems with this worksheet!

Add a little fun to basic addition practice! Mini mathematicians can review addition facts as they figure out the hidden phrase at the bottom of the page.

Practice two digit addition and subtraction down on the farm with these challenging word problems.

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.

Does your learner need a little push to practice two-digit addition? This nature-themed printable will likely do the trick.

Get more practice adding two-digit numbers on open number lines with this inviting addition worksheet!

Get your child to practice her addition math facts with a fun snowman coloring sheet.

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

Would your first grader rather color fairies than do her math? With this worksheet, she can do both! This fairy practice sheet focuses on two-digit addition.

In this worksheet, kids take turns rolling dice, practicing addition, and writing in numbers.

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

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

Use this colorful, open-ended worksheet to help your learners understand the value of 100.

Students use open number lines to help them write addition equations in this first-grade practice worksheet!

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

Try the tens-sticks technique in paper form with this place value worksheet.

Does your first grader need help with two-digit addition? This colorful fairy-filled worksheet is a great way to give her the practice she needs.

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

Get more practice adding two-digit numbers on open number lines with this inviting addition worksheet!

Your child will develop the skills necessary to recognize patterns by completing inverse operations as well make a connection between addition and subtraction.

In this Halloween-themed math worksheet, students will look at existing game boards and add one and two-digit numbers as they try to determine who got the pumpkin in the pumpkin race game.

Build your child's confidence in knowing math facts, so that he gets nothing but net. Take a shot at addition and subtraction problems!

Children are introduced to a new way to add with this base 10 rods worksheet.

Make math practice a little less boring with an addition coloring page! Your first grader can do a few addition problems as he colors the balloons.

This hundred chart is the perfect way for kids to show what they've learned as far as adding on a hundred chart.