3rd Grade Addition Worksheets and Printables

This whole tens addition worksheet (with missing number) helps students practice completing equations with three two-digit numbers that are multiples of ten, reinforcing their mental math skills and place value understanding. Worksheet instructions: Find the missing number in each equation.

This missing number whole tens addition worksheet helps students practice completing equations with three two-digit numbers that are multiples of ten, reinforcing their mental math skills and place value understanding. Worksheet instructions: Find the missing number in each equation.

This whole tens addition worksheet helps students practice adding three two-digit numbers that are multiples of ten, strengthening their mental math skills and understanding of place value. Worksheet instructions: Find the sum for each problem

This worksheet helps students practice adding three two-digit numbers that are multiples of ten, building fluency in mental math and place value. Worksheet instructions: Find the sum for each problem

This addition worksheet helps students practice adding three two-digit numbers that are multiples of ten, building fluency in mental math and place value. Worksheet instructions: Find the sum for each problem

This worksheet helps students practice finding missing addends in equations with sums up to 10, strengthening mental math & basic addition skills. Worksheet instructions: Each equation has a missing number. Fill in the blank with the correct number so that the sum equals the given total.

This basic addition worksheet helps students practice finding missing addends in equations with sums up to 10, strengthening mental math and basic addition skills. Worksheet instructions: Each equation has a missing number. Fill in the blank with the correct number so that the sum equals the given total.

This worksheet helps students practice finding missing addends in equations with sums up to 10, strengthening mental math and basic addition skills. Worksheet instructions: Each equation has a missing number. Fill in the blank with the correct number so that the sum equals the given total.

This math worksheet helps students practice finding missing addends in equations with sums up to 10, strengthening mental math and basic addition skills. Worksheet instructions: Each equation has a missing number. Fill in the blank with the correct number so that the sum equals the given total.

This addition worksheet helps students practice finding missing addends in equations with sums up to 10, strengthening mental math and basic addition skills. Worksheet instructions: Each equation has a missing number. Fill in the blank with the correct number so that the sum equals the given total.

In this addition worksheet students practice addition within 100 by finding missing numbers in equations. It reinforces number relationships and place value. Worksheet instructions: Find the missing number in each problem.

This addition worksheet helps students practice addition within 100 by finding missing numbers in equations. It reinforces number relationships and place value. Worksheet instructions: Find the missing number in each problem.

This math worksheet helps students practice adding two 2-digit numbers without carrying or regrouping. It reinforces place value concepts, including tens and ones, to build a solid foundation for mastering addition. Worksheet instructions:

This worksheet helps students practice adding two 2-digit numbers without carrying or regrouping. It reinforces place value concepts, including tens and ones, to build a solid foundation for mastering addition. Worksheet instructions:

This addition worksheet helps students practice adding two 2-digit numbers without carrying or regrouping. It reinforces place value concepts, including tens and ones, to build a solid foundation for mastering addition. Worksheet instructions:

This addition worksheet helps students practice adding 2-digit and 1-digit numbers within 100 (with carrying). Designed to improve mental math skills, it encourages kids to solve problems quickly and accurately through repeated practice. Worksheet instructions: Find the sum for each problem.

This addition worksheet helps students practice adding 2-digit and 1-digit numbers (with carrying). Designed to improve mental math skills, it encourages kids to solve problems quickly and accurately through repeated practice. Worksheet instructions: Find the sum for each problem.

This mental math worksheet helps students practice adding 2-digit and 1-digit numbers with carrying. Designed to improve mental math skills, it encourages kids to solve problems quickly and accurately through repeated practice. Worksheet instructions: Find the sum for each problem.

This addition worksheet helps students practice adding 2-digit and 1-digit numbers with carrying. Designed to improve mental math skills, it encourages kids to solve problems quickly and accurately through repeated practice. Worksheet instructions: Find the sum for each problem.

In this word problems worksheet, students are given scenarios in which they are asked to count the coins and answer questions like who has more or less money. Worksheet instructions: Read each problem carefully, then write your answers in the space provided.

This money word problems worksheet helps students practice counting coins. Students are given scenarios in which they are asked to count the coins and answer questions like who has more or less money. Worksheet instructions: Read each problem carefully, then write your answers in the space provided.

In this addition worksheet, students practice vertical addition by adding 3-digit numbers (with regrouping). Worksheet instructions: Find the sum for each addition problem.

In this addition worksheet, students practice adding 3-digit numbers in columns (without carrying or regrouping). Worksheet instructions: Find the sum for each addition problem.

This worksheet helps students practice adding 3-digit numbers in columns (without carrying or regrouping). Worksheet instructions: Find the sum for each addition problem.

This worksheet helps students practice adding two 2-digit numbers in columns (without carrying or regrouping). Worksheet instructions: Find the sum for each addition problem.