Rounding off numbers
We have currently learnt rounding off the number to the nearest tens, hundreds, etc. Permit us evaluation them. Permit us consider a number, speak 12 top top a number line. That lies in between 10 and also 20. We observe that the gap in between 10 and also 12 is less than the gap between 12 and also 20, i.e., 12 is nearer come 10 보다 20. So, we round off 12 to 10, that is, come the nearest ten.
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Similarly, if us take a number to speak 16, climate it is nearer come 20 as compared to 10. So, we will round turn off 16 come the nearest ten together 20.
But if number 15 is considered, i m sorry is at equal distance from both 10 and also 20, it is likewise rounded turn off to 20.
Similarly,In 46, the digit in the ones ar is 6. Hence, 46 rounded off to the nearest ten is 50.In 251, the number in the ones location is 1. Hence, 251 rounded turn off to the nearest ten is 250.In 345, the number in the tens location is 4. Hence, 345 rounded off to the nearest hundred is 300.In 9157, the digit in the tens location is 5. Hence, 9157 rounded turn off to the nearest hundreds is 9200.In 5473, the digit at the hundreds location is 4. Hence, 5473 rounded turn off to the nearest thousand is 5000.
Rounding turn off a number come the nearest ten thousandConsider the digit in thousands ar of the given number.If the is much less than 5, change the digits in thousands, hundreds, tens, and ones by 0, maintaining the number in other locations as lock are.If that is 5 or more than 5, change the number in thousands, hundreds, tens, and ones by 0 and also increase the digit in ten thousands by 1.
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ExamplesIn number 18785, the digit in thousands place is 8 and also 8 > 5, so once rounded turn off the number nearest to ten thousands is 20000.In number 73568, the number in thousands location is 3 and also 3
Rounding off a number come the nearest lakhConsider the number in ten thousands location of the provided number.If the is 5 or more than 5, replace the number in ten thousands, thousands, hundreds, tens, and ones by 0 and increase the digit in lakhs by 1.If it is much less than 5, replace the digits in ten thousands, thousands, hundreds, tens, and ones by 0 maintaining the digits in other places as lock are.
ExamplesIn number 560712, the digit in ten thousands ar is 6, and also 6 > 5, therefore the rounded turn off number is 600000.In number 821058, the digit in ten thousands location is 2, and 2
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Filed Under: mathematics Tagged With: Maths, Pre Algebra, rounding off a number come the nearest ten thousand, round off off ci number come the nearest lakh, rounding off numbers