Open App

Class 1 Exam > Class 1 Videos > Mental Maths > Adding Three Digit Numbers

Adding Three Digit Numbers Video Lecture | Mental Maths - Class 1

FAQs on Adding Three Digit Numbers Video Lecture - Mental Maths - Class 1

1. How do I add three-digit numbers?

Ans. To add three-digit numbers, you should align the numbers vertically, starting from the rightmost digit. Begin adding the digits in the ones place, carrying over any extra tens to the next column. Repeat this process for the tens and hundreds places. The final sum will be the result of adding all the digits in each column.

2. Can you provide an example of adding three-digit numbers?

Ans. Certainly! Let's add 325 and 478. Aligning the numbers vertically, we start by adding the digits in the ones place: 5 + 8 = 13. We write down 3 and carry over 1 to the tens place. Moving to the tens place, we add 2 + 7 + 1 (carried over) = 10. We write down 0 and carry over 1 to the hundreds place. Finally, in the hundreds place, we add 3 + 4 + 1 (carried over) = 8. Therefore, the sum of 325 and 478 is 803.

3. What should I do if the sum of three-digit numbers exceeds 999?

Ans. If the sum of three-digit numbers exceeds 999, you will have a four-digit number. In this case, you write down the rightmost digit (ones place) and carry over the remaining digits to the next column. For example, if the sum of the hundreds place digits is 10 or more, you write down the rightmost digit and carry over the tens digit to the next column.

4. Is there a specific order in which I need to add the digits of three-digit numbers?

Ans. No, there is no specific order in which you need to add the digits of three-digit numbers. You can start from the ones place and move to the left, or you can start from the leftmost digit and move to the right. The important thing is to align the numbers vertically and ensure that you add the corresponding digits in each column.

5. Can I use a calculator to add three-digit numbers?

Ans. Yes, you can use a calculator to add three-digit numbers. However, it is recommended to practice adding manually first, as it helps develop mental math skills. Using a calculator can be useful for quick and accurate calculations, especially when dealing with larger numbers or when time is limited.

About this Video

18.7K Views

4.86/5 Rating

Oct 14, 2025 Last updated

Related Exams

Class 1 Primary 2 Primary 3 Year 1 Year 2 Year 3 Year 4 Year 1 Year 2 Year 3

Video Description: Adding Three Digit Numbers for Class 1 2025 is part of Mental Maths preparation. The notes and questions for Adding Three Digit Numbers have been prepared according to the Class 1 exam syllabus. Information about Adding Three Digit Numbers covers all important topics for Class 1 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Adding Three Digit Numbers.

Introduction of Adding Three Digit Numbers in English is available as part of our Mental Maths for Class 1 & Adding Three Digit Numbers in Hindi for Mental Maths course. Download more important topics related with notes, lectures and mock test series for Class 1 Exam by signing up for free.

Description

Video Lecture & Questions for Adding Three Digit Numbers Video Lecture | Mental Maths - Class 1 - Class 1 full syllabus preparation | Free video for Class 1 exam to prepare for Mental Maths.

Information about Adding Three Digit Numbers

Here you can find the meaning of Adding Three Digit Numbers defined & explained in the simplest way possible. Besides explaining types of Adding Three Digit Numbers theory, EduRev gives you an ample number of questions to practice Adding Three Digit Numbers tests, examples and also practice Class 1 tests.

	Mental Maths 39 videos\|158 docs\|19 tests

Mental Maths

39 videos|158 docs|19 tests

Join Course for Free

Explore Courses for Class 1 exam

Exam

mock tests for examination

video lectures

study material

Summary

Free

Adding Three Digit Numbers Video Lecture | Mental Maths - Class 1

Extra Questions

pdf

Semester Notes

Viva Questions

Important questions

Previous Year Questions with Solutions

past year papers

Sample Paper

shortcuts and tricks

MCQs

Objective type Questions

ppt

practice quizzes

;

Study Adding Three Digit Numbers on the App

Students of Class 1 can study Adding Three Digit Numbers alongwith tests & analysis from the EduRev app, which will help them while preparing for their exam. Apart from the Adding Three Digit Numbers, students can also utilize the EduRev App for other study materials such as previous year question papers, syllabus, important questions, etc. The EduRev App will make your learning easier as you can access it from anywhere you want. The content of Adding Three Digit Numbers is prepared as per the latest Class 1 syllabus.

Education Revolution