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Add 3-Digit Numbers in Columns With Regrouping (Class 2)

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Step-by-Step Guide to Adding 3-Digit Numbers With Carrying

Help your child master addition with this easy, student-friendly worksheet focused on how to add 3-digit numbers in columns with regrouping. Children learn step by step to line up numbers by place value, add each column, and carry over when needed—building confidence with every sum.


This worksheet blends clear examples and practical problems to strengthen skills in carrying and place value understanding. It’s designed for Grade 2 students, making complex maths simple and fun through column addition practice.


Perfect for revision, tests, or extra home practice, this activity supports NCERT and school chapter needs, helping second graders achieve solid marks in their maths curriculum.

How This Worksheet Helps You Learn?

This printable worksheet gives Grade 2 students focused practice in adding 3-digit numbers in columns with regrouping. With stepwise problems that include carrying (also called regrouping), children can strengthen their skills in column addition while gaining confidence for schoolwork and exams. The clear layout and NCERT-aligned question style make it suitable for both classroom and home use, helping reinforce addition with carry and building a foundation in place value and multi-digit sums.


This free PDF practice sheet is designed to nurture a strong understanding of adding 3-digit numbers with regrouping for Class 2 maths. Students build accuracy and speed through repeated sums, fill-in-the-blank activities, and easy-to-follow instructions. Parents and teachers can use this addition with regrouping worksheet as an instant homework or revision resource, supporting children as they master this vital maths skill at their pace.


Usage Tips for Parents and Teachers

  • Print the worksheet and offer 1-2 sums daily for steady practice in column addition with carrying.
  • Use the answer key to check the completed sums together and discuss any errors or regrouping steps.
  • Pair with visual aids like an abacus or place value blocks to explain how numbers are carried over in each column.
  • Encourage your child to solve the missing number questions to deepen conceptual understanding of addition and place value.


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What You Learned

By working through this Class 2 maths worksheet, students learned to add 3-digit numbers in columns with regrouping, deepening their understanding of the carry-over process and place value. The activities and examples guide children to use stepwise addition and develop confidence with sums involving carrying. Whether printed or solved on a device, this 3-digit addition with regrouping worksheet boosts mastery in key arithmetic skills and serves as an effective revision or practice tool for Class 2 learners.

FAQs on Add 3-Digit Numbers in Columns With Regrouping (Class 2)

1. What is regrouping in addition for Class 2?

Regrouping in addition, often called carrying over, is the method used when the sum of digits in a column is 10 or more. For Class 2 students, it means that when you add the ones or tens column and get a two-digit number, you write the last digit down and 'carry' the first digit to the next column to the left.

  • For example, if the ones column adds up to 14, you write '4' and carry the '1' to the tens column.
  • This process is fundamental for solving 3-digit addition with regrouping correctly.
  • It reinforces the concept of place value (ones, tens, hundreds).

2. How do you add 3-digit numbers step by step with carrying?

To add 3-digit numbers with carrying, you arrange the numbers vertically in columns and add from right to left. This step-by-step method ensures accuracy in your addition sums for Class 2.

  1. Step 1: Add the Ones: Add the digits in the ones column. If the sum is 10 or more, write down the ones digit and carry over the tens digit to the next column.
  2. Step 2: Add the Tens: Add the digits in the tens column, including the number you carried over. Again, if the sum is 10 or more, carry the digit to the hundreds column.
  3. Step 3: Add the Hundreds: Add the digits in the hundreds column, including any carried-over number.
  4. Step 4: Write the Final Sum: The result from each column forms your final answer.

3. What is column addition?

Column addition, also known as vertical addition, is a method of adding numbers by writing them one on top of the other. This aligns the digits according to their place value—ones, tens, hundreds, etc., making it easier to perform calculations like 3-digit addition with regrouping.

  • It helps organise the numbers neatly.
  • It is the standard method taught in Class 2 Maths for adding multi-digit numbers.
  • It simplifies the process of carrying in addition from one column to the next.

4. How can I use this worksheet at home?

You can easily use this 3-digit addition with regrouping worksheet at home for extra practice or homework. Simply download the free PDF, print it out, and give it to your child to solve the addition sums for class 2.

  • It is a perfect math drill for kids to build speed and accuracy.
  • Use it for holiday revision to reinforce concepts taught in school.
  • Parents can work alongside their child, using the solved examples as a guide.

5. Does this include an answer key?

Yes, this printable addition worksheet comes with a complete answer key. The answer key allows parents and students to easily check the solutions and verify the final answers for all the 3-digit addition practice problems.

  • This helps in self-assessment and identifying areas that need more practice.
  • It makes the worksheet a reliable resource for homework help.

6. Is this worksheet printable?

Absolutely, this maths worksheet PDF is designed to be easily printable. You can download the file and print it on standard A4 paper for immediate use in the classroom or at home, making it a convenient resource for teachers and parents looking for free math worksheets.

7. What age group is it best for?

This worksheet is specifically designed for students in Class 2, which typically includes children aged 7 to 8 years old. The content and difficulty level are perfectly aligned with the math skills for grade 2, focusing on the core concept of 3-digit addition with regrouping.

8. What skills are built by this activity?

This activity builds several crucial mathematical skills for second graders beyond just getting the right answer. The worksheet is designed to strengthen foundational arithmetic abilities through structured practice.

  • Place Value: Deepens understanding of ones, tens, and hundreds.
  • Addition with Regrouping: Provides hands-on practice with the carry over concept.
  • Procedural Fluency: Helps students master the multi-step process of column addition.
  • Problem-Solving: Enhances a child's ability to follow instructions and solve problems systematically.

9. How does this worksheet reinforce concept retention?

This worksheet reinforces concept retention by providing focused and repetitive practice on a single, important skill. By repeatedly solving 3-digit addition sums with carrying, students move from understanding the steps to achieving automaticity, which is key for long-term memory.

  • The consistent format helps solidify the stepwise addition process.
  • Solving multiple problems builds confidence and reduces math anxiety.
  • The fill-in-the-blanks format challenges students to think about the process, not just the answer.

10. Can I use this worksheet digitally on a tablet?

Yes, you can use this maths worksheet PDF on a tablet or other digital device. Since it is a downloadable PDF, it can be opened in any PDF reader or annotation app that allows you to write or type directly on the document, offering a paper-free practice option.