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Math Worksheets

Lessons for First Grade

Free Printable Worksheets

Printable 2-digit Addition Worksheets:

2-digit + 1-digit (no regrouping) (eg. 56 + 3)

2-digit + 2-digit (no regrouping) (eg. 35 + 24)

2-digit + 1-digit (with regrouping) (eg. 48 + 5)

2-digit + 2-digit (with regrouping) (eg. 64 + 29

First Grade worksheets to help students learn how to add a 2-digit number to a 2-digit number. No regrouping or carrying is required. Students can start with strategies like counting fingers, counting on or number bonds. They may also write the problems in a vertical form. With practice, they may be able to do the sums in their heads.

How to add 2-digit numbers with no regrouping:

- Line Up the Numbers:

Write the numbers vertically, aligning their place values (tens and ones).

Tens digits should be above each other, and ones digits should be above each other. - Add the Ones Place:

Start by adding the digits in the ones place.

Write the sum of the ones digits below the ones place column. - Add the Tens Place:

Move to the tens place and add those digits together.

Write the sum of the tens digits below the tens place column. - Read the Answer:

The final number you’ve written is the sum of the two-digit numbers.

Key Points:

- No regrouping means the sum of the digits in the ones place stays below 10.
- If the sum of the digits in a place value is 10 or more, you’ll need to regroup (carry over).
- Practice with different examples to solidify understanding.

Click on the following worksheet to get a printable pdf document.

Scroll down the page for more **2-digit plus 2-digit Worksheets**.

Find the sum. Write the problem in vertical form, if necessary.

(Answers on the second page)

2-digit plus 2-digit Worksheet #1

2-digit plus 2-digit Worksheet #2

2-digit plus 2-digit Worksheet (Interactive)

Addition Facts to 20 (eg. 12 + 5)

Add 10 to a 2-digit number (eg. 10 + 24)

Add Whole Tens (eg. 50 + 60)

Add Tens to a 2-digit number (eg. 60 + 34)

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