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Numbers that end in a digit of 4 or less should be rounded DOWN to the nearest ten.

Example: 24 rounded to the nearest ten would be 20

Numbers that end in a digit of 5 or more should be rounded UP to the nearest ten.

Example: 28 rounded to the nearest ten would be 30

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Q: How do you estimate a Sum by rounding?
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Estimate by rounding to the nearest ten.​ Then, find the sum.221122plus+33554455​_​_The estimated sum is nothing.?

Estimate by rounding to the nearest ten.​ Then, find the sum.221122plus+33554455​_​_The estimated sum is nothing.


How can you Estimate the sum or difference using benchmarks?

rounding


How do you estimate each sum or difference with rounding?

54+86


What is the difference between the exact sum of 106 and 91 and an estimate of the sum by rounding to the nearest hundred?

3


What is the best estimate for the sum of 4523 and 1234?

The best estimate for the sum of 4523 and 1234 can be found by rounding each number to the nearest hundred. Rounding 4523 to the nearest hundred gives 4500, and rounding 1234 to the nearest hundred gives 1200. Adding these rounded numbers gives an estimated sum of 5700. This estimate provides a quick approximation of the actual sum while simplifying the calculation.


Estimate each sum of difference by rounding 4.204 plus 2.779?

7.000


Estimate the sum of 586 and 317 by rounding numbers to the nearest hundred before adding?

900


What does estimate the sum by first rounding to the nearest whole number?

A mathematician in a hurry or one who is only interested in an approximate answer does it.


What is the difference between the exact of sum of 106 and 091 and estimate of the sum by rounding to the nearest hundred?

106 + 091 = 197 100 + 100 = 200 Answer: 3


How do you estimate 3444 times 670 with rounding?

You can calculate 3444 times 670 without rounding or you can estimate it WITH rounding. But you cannot estimate it without rounding.


Estimate the sum of 3149 rounding to the nearest thousand?

Well, honey, if you wanna estimate the sum of 3149 rounding to the nearest thousand, you're looking at about 3000. It's not rocket science, just chop off those last two digits and call it a day. Keep it simple, sweetheart!


Estimate the sum of 398 and 487 by rounding both numbers to the nearest hundred before adding?

400 + 500 = 900