3rd Grade Addition Facts Worksheets and Activities | Page 3

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 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.

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.

This worksheet is perfect for improving addition skills, and focuses on adding two 2-digit numbers in columns (with regrouping - also known as carrying). Worksheet instructions: Find the sum for each addition problem (with regrouping).

This worksheet is great for improving addition skills, and focuses on adding two 2-digit numbers in columns (with regrouping - also known as carrying). Worksheet instructions: Find the sum for each addition problem (with regrouping).

In this worksheet, the student needs to find the missing number in each problem. Missing addend exercises reinforce the concept of addition and are a great tool for practicing addition facts. Worksheet instructions: Find the missing number in each problem.

In this worksheet, students need to find the missing number in each 4-digit addition problem. Missing addend exercises reinforce the concept of addition and are a great tool for practicing addition facts. Worksheet instructions: Find the missing number in each problem.

In this worksheet, students need to find the missing number in each four-digit addition problem. Missing addend exercises reinforce the concept of addition and are a great tool for practicing addition facts. Worksheet instructions: Find the missing number in each problem.

Worksheet instructions: Find the sum for each problem below.

Worksheet instructions: Find the sum for each addition problem.