Enhance your third grader's math prowess with our engaging Addition & Subtraction worksheets, specifically designed to strengthen addition skills. Our printable resources offer a variety of exercises that help students practice fundamental concepts, improve fluency, and develop confidence in their mathematical abilities. Each worksheet features fun, interactive problems, catering to different learning styles and abilities, making math enjoyable and accessible. Whether reinforcing classroom lessons or providing extra practice at home, these worksheets are an essential tool for fostering a strong numerical foundation. Explore our comprehensive collection today and watch your child excel in their math journey with interactive and educational challenges!


Check out this FREE Grade 3 Trial Lesson on Addition & Subtraction!

Standard Addition

Favorites
With answer key
Interactive
  • Grade 3
  • Addition skills
  • Addition & Subtraction
Solving Problems: Number Lines Worksheet
Solving Problems: Number Lines Worksheet

Solving Problems: Number Lines Worksheet

Number lines are fun and help build number sense and reasoning. This worksheet uses them to help students count on to find a solution to an equation. They'll have fun counting with familiar numbers and 10-bases, while also working on algebraic reasoning.
Solving Problems: Number Lines Worksheet
Worksheet
Base ten block worksheets for 3rd grade
Base ten block worksheets for 3rd grade

Base Ten Blocks Worksheet: Part 1

They promote numeracy and are a great substitute when kids don't have access to physical blocks.
Base Ten Blocks Worksheet: Part 1
Worksheet
Butterfly Addition Worksheet
Butterfly Addition Worksheet

Butterfly Addition Worksheet

This tracing sheet is great for kids to work on math skills and have fun too. Read the word problems to them, then help them trace the dotted lines to match the problem and number sentence to a picture. Not only is it educational, it's beautiful too - your kids will love learning about butterflies!
Butterfly Addition Worksheet
Worksheet
Addition with regrouping worksheet
Addition with regrouping worksheet

Addition with Regrouping Worksheet

Try this fun holiday-themed addition with regrouping worksheet! Kids can practice adding while regrouping using bright, colorful holiday images. It's a great way to make math exciting, and keep their interest piqued!
Addition with Regrouping Worksheet
Worksheet
Adding up to 1000 with Regrouping: Page 26
Adding up to 1000 with Regrouping: Page 26
Adding up to 1000 with Regrouping: Page 26
Worksheet
Adding up to 1000 Without Regrouping: Page 2
Adding up to 1000 Without Regrouping: Page 2
Adding up to 1000 Without Regrouping: Page 2
Worksheet
Adding Flower Petals Worksheet
Adding Flower Petals Worksheet

Adding Flower Petals Worksheet

This free worksheet helps little mathematicians learn to understand word problems. They'll read each one and match it to the corresponding picture. Important info is highlighted, teaching kids to look for key info when solving problems. Then they'll underline the correct number equation that matches the picture. A great way to practice problem-solving skills!
Adding Flower Petals Worksheet
Worksheet
Adding at the Hospital Worksheet
Adding at the Hospital Worksheet

Adding at the Hospital Worksheet

A hospital visit doesn't have to be scary for kids. With this worksheet, they can count along with doctors and nurses, by reading the word problems and tracing lines to the corresponding picture. Guide them through it and you'll help them have a fun experience.
Adding at the Hospital Worksheet
Worksheet
Sums and Differences Within 1 - Assessment 2 Worksheet
Sums and Differences Within 1 - Assessment 2 Worksheet

Sums and Differences Within 1 - Assessment 2 Worksheet

Help your kids practice math with these simple word problems. Read the question, discuss with them to form the equation and then check the answer. Give them a chance to sharpen their math skills!
Sums and Differences Within 1 - Assessment 2 Worksheet
Worksheet
Adding up to 1000: Page 37
Adding up to 1000: Page 37

Adding up to 1000: Page 37

Adding up to 1000: Page 37
Worksheet
Adding Up with Old MacDonald Worksheet
Adding Up with Old MacDonald Worksheet

Adding Up with Old MacDonald Worksheet

Old MacDonald needs help counting his animals! Give your little math whiz a fun challenge with a free PDF worksheet. They'll love counting the animals and doing basic addition with two or three addends. Who knew math could be so much fun on the farm?
Adding Up with Old MacDonald Worksheet
Worksheet
Sums and Differences Within 1 - Assessment 3 Worksheet
Sums and Differences Within 1 - Assessment 3 Worksheet

Sums and Differences Within 1 - Assessment 3 Worksheet

When we see 'more' or 'less', they usually refer to quantity. In Math, they indicate addition or subtraction. Help kids read aloud two simple word problems and figure out the correct equations for each. Check the correct equation afterwards.
Sums and Differences Within 1 - Assessment 3 Worksheet
Worksheet
Make it Easy Strategies: Assessment 2 Worksheet
Make it Easy Strategies: Assessment 2 Worksheet

Make it Easy Strategies: Assessment 2 Worksheet

Utilize images and objects your students know to facilitate learning. Simple math problems should be a cinch for kindergartners who can count to 30. Ask them to identify the picture's subject. Then read word problems and help them find the right number sentences to match.
Make it Easy Strategies: Assessment 2 Worksheet
Worksheet
Adding up to 1000: Page 15
Adding up to 1000: Page 15

Adding up to 1000: Page 15

Adding up to 1000: Page 15
Worksheet
Supermarket Math Worksheet
Supermarket Math Worksheet

Supermarket Math Worksheet

Take your kids to the supermarket and ask what they're looking forward to buying. Help them solve the three questions in the worksheet by interpreting each one into an equation, then choose the right answer.
Supermarket Math Worksheet
Worksheet
The Unknown Number - Assessment 3 Worksheet
The Unknown Number - Assessment 3 Worksheet

The Unknown Number - Assessment 3 Worksheet

Read the Earth Day-themed word problem aloud to your kids, pointing to the pictures as you go. Use the number line to help them count on and find the answer. Then check it together. Doing this can help them learn more about Earth Day and meet other children who are doing their part to keep it clean.
The Unknown Number - Assessment 3 Worksheet
Worksheet
Adding up to 1000 with Regrouping: Page 2
Adding up to 1000 with Regrouping: Page 2
Adding up to 1000 with Regrouping: Page 2
Worksheet


Addition and subtraction skills are foundational in Grade 3, as they significantly contribute to a child’s overall mathematical understanding. By mastering these skills, students not only gain fluency in basic arithmetic but also build confidence and a positive attitude towards math. These skills are essential for problem-solving and critical thinking, which are vital in daily life situations and higher-level math concepts.

For parents and teachers, nurturing these skills paves the way for academic success. In Grade 3, students begin to tackle more complex mathematical concepts, including multiplication, division, and fractions. A solid grasp of addition and subtraction ensures students can effectively manage these challenges, reducing frustration and anxiety around math.

Furthermore, mental math and estimation skills developed during this stage can aid children in practical situations—whether it's counting change or measuring ingredients in cooking. Long-term, strong addition and subtraction abilities serve as a stepping stone for future learning, enabling students to excel in STEM-related courses as they progress through school. By prioritizing the development of these skills, parents and teachers provide students with the necessary tools to thrive academically and in everyday scenarios.