Rounding turn off numbers
We have currently learnt round off off the number to the nearest tens, hundreds, etc. Allow us evaluation them. Allow us think about a number, speak 12 top top a number line. That lies in between 10 and also 20. We observe the the gap between 10 and also 12 is much less than the gap in between 12 and 20, i.e., 12 is nearer come 10 보다 20. So, us round turn off 12 come 10, that is, to the nearest ten.
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Similarly, if us take a number to speak 16, climate it is nearer to 20 as compared to 10. So, we will certainly round off 16 to the nearest ten as 20.
But if number 15 is considered, which is in ~ equal street from both 10 and also 20, it is likewise rounded turn off to 20.
Similarly,In 46, the number in the ones location is 6. Hence, 46 rounded turn off to the nearest ten is 50.In 251, the digit 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 turn off to the nearest hundred is 300.In 9157, the digit in the tens place is 5. Hence, 9157 rounded off to the nearest hundred is 9200.In 5473, the number at the hundreds ar is 4. Hence, 5473 rounded turn off to the nearest thousands is 5000.
Rounding off a number to the nearest ten thousandConsider the number in thousands place of the given number.If that is much less than 5, change the number in thousands, hundreds, tens, and also ones by 0, maintaining the number in other areas as they are.If it is 5 or an ext than 5, change the number in thousands, hundreds, tens, and ones through 0 and also increase the digit in ten thousands by 1.
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ExamplesIn number 18785, the number 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 digit in thousands ar is 3 and also 3
Rounding off a number come the nearest lakhConsider the number in ten thousands place of the given number.If it is 5 or much more than 5, replace the number in ten thousands, thousands, hundreds, tens, and also ones by 0 and also increase the number in lakhs by 1.If the is much less than 5, change the number in ten thousands, thousands, hundreds, tens, and ones through 0 maintaining the digits in other locations as castle are.
ExamplesIn number 560712, the digit in ten thousands location is 6, and 6 > 5, for this reason the rounded off number is 600000.In number 821058, the number in ten thousands place is 2, and 2
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Filed Under: mathematics Tagged With: Maths, Pre Algebra, round off off a number to the nearest ten thousand, round off off ci number come the nearest lakh, round off off numbers