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Answer Keys for Addition Worksheets for Grade 3

Introducing our comprehensive addition worksheets with answer key, specially designed for Grade 3 students. These engaging worksheets are ideal for honing basic arithmetic skills while fostering a love for math. With a wide variety of exercises, students will master addition techniques and build confidence in no time. Each worksheet is carefully crafted to offer diverse problem-solving opportunities, ensuring a well-rounded learning experience. The accompanying answer key provides immediate feedback, enabling students to self-assess and track their progress. Set a solid foundation for mathematical success with our Grade 3 addition worksheets, making learning enjoyable and rewarding.

Check out this FREE Grade 3 Trial Lesson on Addition!

Standard Subtraction

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  • Grade 3
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Presidential Maze: Addition and Subtraction Worksheet
Presidential Maze: Addition and Subtraction Worksheet

Presidential Maze: Addition and Subtraction Worksheet

Help the President get elected by counting the votes on this fun addition and subtraction worksheet from Kids Academy! Guide learners to go through each problem, drawing a line through any that are completed correctly and leaving incorrect answers alone. Get voting and have a blast!
Presidential Maze: Addition and Subtraction Worksheet
Worksheet
Subtracting with Regrouping: Magnetism Worksheet
Subtracting with Regrouping: Magnetism Worksheet

Subtracting with Regrouping: Magnetism Worksheet

Download Kids Academy's worksheet for a fun way to review science and math! Look at the magnet and remember opposites attract. Find another with opposite poles, then solve the problem on the left and check the solution against the magnet. Check the box next to the correct answer to complete this page.
Subtracting with Regrouping: Magnetism 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
Circus Math Printable Worksheet
Circus Math Printable Worksheet

Circus Math Printable

Let's take the kids to the circus and combine literacy and numeracy skills! Our circus math printable worksheet will encourage creativity and higher-order thinking by connecting addition to real-life examples. Kids will learn to love math while they explore the fun, real-life applications of math. Ignite their passion today!
Circus Math Printable
Worksheet
Free 3 digits with regrouping worksheet
Free 3 digits with regrouping worksheet

Three Digits Addition with Regrouping Worksheet

Kids can combine festive fun with subtraction practice by completing this free 3 digits with regrouping worksheet! Solve problems and find the correct answer among gingerbread cookies for a fun holiday twist on subtraction. Enjoy this festive activity with your child!
Three Digits Addition with Regrouping Worksheet
Worksheet
Tricky Problems Worksheet: Part 1
Tricky Problems Worksheet: Part 1

Tricky Problems Worksheet: Part 1

Visualizing word problems can help students solve them. This fun PDF worksheet encourages students to create mental images using math facts, then check boxes to match the equations for basic addition problems. It's a great way to build confidence in solving math.
Tricky Problems 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
Desert Addition Worksheet
Desert Addition Worksheet

Desert Addition Worksheet

In the desert, scorching heat and little water mean animals must adapt to survive. Show kids pictures of these animals and teach their names. Then, read the word problems in the worksheet, and have them check the box next to the pictures that portray each story. 80 words
Desert Addition Worksheet
Worksheet
Making Bracelets to Sell Worksheet
Making Bracelets to Sell Worksheet

Making Bracelets to Sell Worksheet

Got kids who love crafting? This worksheet will be right up their alley! Let them use their creative and problem-solving skills to check equations and decide the correct total. It's just like making beads into a bracelet but on paper! Print out this downloadable PDF and get ready for a fun craft session.
Making Bracelets to Sell Worksheet
Worksheet
The Three Branches of Government Worksheet
The Three Branches of Government Worksheet

The Three Branches of Government Worksheet

Students learn best when they can relate ideas, like the three branches of government working together and addition and subtraction working together. This worksheet pairs math and social studies to help learners make an analogy. Help your child discover the relationship between addition and subtraction by completing the number sentences under each national landmark. This will help them solve tricky problems!
The Three Branches of Government 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
Voting Worksheet
Voting Worksheet

Voting Worksheet

This worksheet combines Social Studies and Math, teaching kids the democratic concept of voting. Guide learners to observe the problem, and decide if it needs a plus or minus. They "vote" for the correct answer by drawing a line from the problem to the correct operation symbol. Tally up the votes to check the answers!
Voting Worksheet
Worksheet
Counting Seedlings Worksheet
Counting Seedlings Worksheet

Counting Seedlings Worksheet

Understanding math word problems is key. Multiple steps can prove challenging - this free worksheet provides one-to-one picture representation to help kids solve multi-step addition word problems. Strengthen addition skills by choosing the matching picture to the answer.
Counting Seedlings Worksheet
Worksheet
Early Colonies Area Worksheet
Early Colonies Area Worksheet

Early Colonies Area Worksheet

Before starting this worksheet, check if your kids know who the early colonizers were. Exercise their addition and subtraction skills by having them solve the equations, then look at the diagrams from the colonies. Guide them to check the number sentence to find the area.
Early Colonies Area Worksheet
Worksheet
Sums and Differences Within 1 - Assessment 1 Worksheet
Sums and Differences Within 1 - Assessment 1 Worksheet

Sums and Differences Within 1 - Assessment 1 Worksheet

Help your child understand school topics better with your assistance. For math, go over their worksheet together and discuss the instructions and text. Solve the questions and check the right equation. This will take their learning to the next level.
Sums and Differences Within 1 - Assessment 1 Worksheet
Worksheet
Dinner Shapes: Making a Whole Worksheet
Dinner Shapes: Making a Whole Worksheet

Dinner Shapes: Making a Whole Worksheet

Using food and snacks to stimulate learning and interest in topics is a great strategy. Fractions can prove tricky, but this worksheet can help your child become an expert. Have them look for the missing parts of the food to make a whole, then circle the answer.
Dinner Shapes: Making a Whole Worksheet
Worksheet
Valentine’s Day word problems worksheet
Valentine’s Day word problems worksheet

Valentines Day Word Problem Worksheet

This Valentine's Day worksheet will help your child practice using a number line to solve an addition problem. It's a great way to boost confidence and make solving word problems a breeze.
Valentines Day Word Problem Worksheet
Worksheet
Equations Matching Word Problems Worksheet
Equations Matching Word Problems Worksheet

Equations Matching Word Problems Worksheet

Download this worksheet and give your young mathematician practice in solving equations using matching numbers and number family facts. They'll solve word problems, develop critical thinking and algebraic reasoning, and gain success with addition and subtraction.
Equations Matching Word Problems Worksheet
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
Repeated Addition = Multiplication Worksheet
Repeated Addition = Multiplication Worksheet

Repeated Addition = Multiplication Worksheet

If your child is having trouble with math, worksheets like this can help them get more practice. Addition, subtraction, and multiplication go together. Look over each addition equation and pick the matching multiplication equation, then circle the correct answer. This can give your child the necessary practice to understand mathematics better.
Repeated Addition = Multiplication 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
Tricky Problems Worksheet: Part 2
Tricky Problems Worksheet: Part 2

Tricky Problems Worksheet: Part 2

Help your little math learner visualize number stories with this engaging worksheet. They'll connect pictures to the story and use math facts to find the sums. After that, they'll be able to identify the correct number sentences to match. Let them practice and get better at problem solving!
Tricky Problems Worksheet: Part 2
Worksheet
Garage Sale Less Than Worksheet
Garage Sale Less Than Worksheet

Garage Sale Less Than Worksheet

Kids often struggle with math word problems. This worksheet offers practice, using a real-world situation: friends having a garage sale. Students read each problem, extract the relevant information, match it with the correct equation and solve. Great for honing those essential problem-solving skills!
Garage Sale Less Than Worksheet
Worksheet