![]() So, $3257 is rounded to $3260.ī.) Here, $3284 needs to be rounded to the nearest ten. Since 7 is more than 5, we will replace 5 with 6, and all the digits to the right will become 0. Now, let us check the number to the right, which is 7 in this case. So, let us mark the digit in the tens place, which is 5. If the digit to the right is 5 or more than 5, we increase the rounding digit by 1, and all the digits to the right of the rounding digit are changed to 0.Ī.) If the bill at a furniture store comes to $3257, what is the rounded value of the amount to the nearest ten?ī.) If the bill comes to $3284, what would be the rounded value of this amount to the nearest ten?Ī.) $3257 needs to be rounded to the nearest ten.However, all the digits to the right of the rounding digit are changed to 0. If the digit to the right is less than 5, we do not change the rounding digit.After this, we need to check the digit to the right of this place which will decide the fate of the rounding digit.This digit is the one that will ultimately be affected. We first need to know what our rounding digit is.There are some basic rules that need to be followed for rounding numbers. How do we decide which value is more appropriate between different approximated values of a number? Should we choose a number greater than the given number or go with the smaller one? When the rounded number is increased, then the given number is said to be rounded up, whereas, if the rounded number is decreased, then it is said to be rounded down. While rounding is a generic term, we usually use the terms, 'round up' or 'round down' to specify if the number has increased or decreased after rounding. For example, when 7456 is rounded to the nearest hundred, it becomes 7500. Rounding numbers to the nearest hundred means we need to check the digit to the right of the hundreds place, that is, the tens place. ![]() For example, when we round the number 7486 to the nearest ten, it becomes 7490. Rounding numbers to the nearest ten means we need to check the digit to the right of the tens place, that is the ones place. A few examples like these are given below. ![]() When 7456 is rounded to the nearest ten, it becomes 7460, but when 7456 is rounded to the nearest thousand, then it becomes 7000. While rounding a number, we need to know the answer to the question,' What are we rounding the number to?' Suppose we need to round the number 7456. For example, 541 rounded to the nearest hundred is 500 because 541 is much closer to 500 than 600. Numbers can be rounded to different digits, like, they can be rounded to the nearest ten, hundred, thousand, and so on. Here, Susan noted an easier value to keep a record of the distance travelled by her. How did she estimate the approximate value of the distance she covered? Why didn't she record her distance as 3 miles? Noting an approximate and simpler value for a given number helps to make the analysis and calculations easier while using that number. Susan covered a distance of 2.05 miles, which she noted as approximately 2 miles. Let us understand the concept of rounding through an example. While rounding a number, we consider the place value of digits in a number. The result obtained after rounding off a number is less accurate, but easier to use. Rounding a number means the process of making a number simpler such that its value remains close to what it was.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |