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Infographics: 4-Digit Numbers | Mathematics for Class 3

The document Infographics: 4-Digit Numbers | Mathematics for Class 3 is a part of the Class 3 Course Mathematics for Class 3.
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FAQs on Infographics: 4-Digit Numbers - Mathematics for Class 3

1. What is a 4-digit number and how is it structured?
Ans.A 4-digit number is a numerical value that consists of four digits. It can range from 1,000 to 9,999. The structure includes a thousands place, hundreds place, tens place, and units place. For example, in the number 5,432, '5' is in the thousands place, '4' in the hundreds place, '3' in the tens place, and '2' in the units place.
2. How can we compare two 4-digit numbers?
Ans.To compare two 4-digit numbers, start by looking at the thousands place. The number with a higher digit in the thousands place is larger. If the thousands digits are the same, move to the hundreds place, then the tens place, and finally the units place. For example, to compare 3,245 and 3,678, since '6' is greater than '4', 3,678 is larger.
3. What are some real-life applications of 4-digit numbers?
Ans.Real-life applications of 4-digit numbers include PIN codes for bank accounts, vehicle identification numbers, and product serial numbers. They can also represent years in history or important dates, like 1776 for the Declaration of Independence.
4. How do you round a 4-digit number?
Ans.To round a 4-digit number, identify the digit in the place value you want to round to. If the next digit (to the right) is 5 or greater, increase the identified digit by 1. If it is less than 5, keep the identified digit the same and change all digits to the right to zero. For example, rounding 3,456 to the nearest hundred would result in 3,500.
5. Why is understanding 4-digit numbers important for students?
Ans.Understanding 4-digit numbers is important for students as it lays the foundation for more complex mathematical concepts, including place value, addition, and subtraction. It also helps in developing problem-solving skills and is essential for everyday tasks like budgeting and time management.
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