# Addition and Subtraction - 3 Digits : Second Grade Math Worksheets

This page contains all our printable worksheets in section Addition - 3 Digits of Second Grade Math. As you scroll down, you will see many worksheets for add on multiples of hundreds, add three digit numbers, addition sentences/equations, input/output tables, regroup ones / regroup tens, word problems, estimate sums, and more.

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View the full list of topics for this grade and subject categorized by common core standards or in a traditional way.

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Round the numbers to the nearest 100, then add the two rounded numbers.

Subtract Multiples of 100

Practice subtraction with multiples of 100.

Rounding and Subtracting

Estimate each difference.

Rounding and Subtracting

Round the numbers to the nearest 100.Then subtract to get the answer.

Count on by hundreds to add multiples of 100.

Regroup Ones / Regroup Tens

3- Digit Addition : Regroup Ones

Practice three digit addition with regrouping ones.

Category:  Addition and Subtraction - 3 Digits     Regroup Ones / Regroup Tens

3- Digit Addition : Regroup Ones

Add three digit numbers with regrouping ones.

Category:  Addition and Subtraction - 3 Digits     Regroup Ones / Regroup Tens

Regroup Tens

Category:  Addition and Subtraction - 3 Digits     Regroup Ones / Regroup Tens

Input/Output Tables

Follow the rule to complete each function table.

Category:  Addition and Subtraction - 3 Digits     Input/Output Tables

Follow the subtraction rule to complete the function tables.

Category:  Addition and Subtraction - 3 Digits     Input/Output Tables

Complete the function tables.

Category:  Addition and Subtraction - 3 Digits     Input/Output Tables

Input and Output Tables

Complete the function tables. ( 3 - digit addition )

Category:  Addition and Subtraction - 3 Digits     Input/Output Tables

Practice with Three Digit Numbers

Add Two Numbers (up to three digits)

Practice adding numbers up to 3 digits.

Category:  Addition and Subtraction - 3 Digits     Practice with Three Digit Numbers

Count the Coins

Practice 3 - digit subtraction. ( with regrouping )

Category:  Addition and Subtraction - 3 Digits     Practice with Three Digit Numbers

Fill in the missing numbers to complete the addition sentences.

Find the missing number to complete each addition sentence.

Addition Equations - Up to 3 Digits

Write the missing number that makes each addition equation true.

Addition Equations - Up to 3 Digits

Balance each addition equation by filling in the missing number.

Word Problems

Read and solve the word problems.

Category:  Addition and Subtraction - 3 Digits     Word Problems