Adding Numbers : Addition and Subtraction : Third Grade Math Worksheets

Here is a collection of our printable worksheets for topic Adding Numbers of chapter Addition in section Addition and Subtraction.

A brief description of the worksheets is on each of the worksheet widgets. Click on the images to view, download, or print them. All worksheets are free for individual and non-commercial use.

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Addition      Adding Numbers

Worksheet: Third Grade

Estimate Sums


Estimating sums by using rounding and compatible numbers.

Category:  Addition and Subtraction     Addition     Adding Numbers


Worksheet: Third Grade

Four Digit Addition


Practice adding 4- digit numbers to find the sums.

Category:  Addition and Subtraction     Addition     Adding Numbers


Worksheet: Third Grade

Nighty Night


Solve each addition problem using regrouping / carry over.

Category:  Addition and Subtraction     Addition     Adding Numbers


Worksheet: Third Grade

Adding


Practing addition in a horizontal format.

Category:  Addition and Subtraction     Addition     Adding Numbers


Worksheet: Third Grade

Adding More Than 2 Numbers (0-100)


Sharpen your addition skills by adding three numbers in a horizontal format.

Category:  Addition and Subtraction     Addition     Adding Numbers


Worksheet: Third Grade

Adding More Than 2 Numbers (0-100)


This horizontal addition worksheet allows students to practice adding three numbers.

Category:  Addition and Subtraction     Addition     Adding Numbers


Worksheet: Third Grade

Adding More Than 2 Numbers (0-100)


Practice adding three numbers (up to 100).

Category:  Addition and Subtraction     Addition     Adding Numbers


Worksheet: Third Grade

Adding More Than 2 Numbers (0-20)


Practice adding more than two numbers in a horizontal format.

Category:  Addition and Subtraction     Addition     Adding Numbers


Worksheet: Third Grade

Adding More Than 2 Numbers (0-20)


Practice adding more than 2 numbers in a horizontal format.

Category:  Addition and Subtraction     Addition     Adding Numbers


Worksheet: Third Grade

Three Digit Addition


Solve addition problems with 3-digit numbers.

Category:  Addition and Subtraction     Addition     Adding Numbers


Worksheet: Third Grade

3 - Digit Addition


Practice 3 - digit addition.

Category:  Addition and Subtraction     Addition     Adding Numbers


Worksheet: Third Grade

Shelly Squirrel's 3 - Digit Addition


Shelly Squirrel eats the acorns that have the number 1 in the ones place. Add to find each sum and cross each answer with 1 in the ones place.

Category:  Addition and Subtraction     Addition     Adding Numbers


Worksheet: Third Grade

Add 2 - Digit Numbers


Estimate, then find the sum using place value or mental math.

Category:  Addition and Subtraction     Addition     Adding Numbers


Worksheet: Third Grade

Adding 3- and 4- Digit Numbers


Practice adding three and four digit numbers. Some of the problems do require regrouping/carrying.

Category:  Addition and Subtraction     Addition     Adding Numbers



Again, we encourage you to see more printable worksheets in Addition or Addition and Subtraction.