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1st Grade Two-Digit Numbers Multi-Digit Addition Interactive Worksheets

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

Open Number Line Addition Within 100: Write the Equation #1

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

Adding Tens on an Open Number Line: Write the Equation #2

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

Adding Tens on an Open Number Line: Write the Equation #3

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

Adding Tens on an Open Number Line: Write the Equation #1

Get more practice performing addition within 100 using open number lines&nbsp;with this first-grade math worksheet!

Open Number Line Addition Within 100: Write the Equation #2

Open Number Line Addition Within 100: Write the Equation #3

Use open number lines to practice addition within 100 with this colorful math worksheet!

Write the Equation: Adding Within 100 on an Open Number Line

Use this visual model to practice adding 10 to two-digit numbers!

Add Ten Using a Hundred Chart

Practice adding tens with a visual model in this helpful worksheet!

Adding Multiples of 10 on a Hundred Chart

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

Addition to 20 Check-in

Dive into addition with the single digits in this worksheet, featuring an ocean floor background.

Addition Under the Sea

Ask your second grader to help out Ken the Carpenter, and his double-digit addition skills will get a boost, too!

Practice Addition with Ken the Carpenter!

Get ready for third grade times tables by practicing skip counting.

Skip Counting Practice

Build fluency by identifying one more and ten more than a given number within 100 with this worksheet!

One More Ten More

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

Wordy Word Problems: Addition #1

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

Nature Walk: Addition #4

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.

Adding 10

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

Complete the Inverse Operation

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