for example, 555+325. let's say we want to round this to the nearest hundred. first you find the digit in the hundreds place, i would like to mark it. then you look to the right, you would probably want to draw an arrow. then if the digit is five or more round up, if it's less than five round down. ok, 555, you look to the right since the digit to the right is five or more round up. so you round up to 600. for 325, the digit to the right is 2, so you round down. round down to 300. ok, that was the rounding part. now you have to estimate the answer. 600+300=900. that's the answer.
900
No 100 is not a reasonable estimate
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!
9X60
40 x 30 = 1200
Estimate by rounding to the nearest ten.​ Then, find the sum.221122plus+33554455​_​_The estimated sum is nothing.
rounding
54+86
3
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.
7.000
900
A mathematician in a hurry or one who is only interested in an approximate answer does it.
106 + 091 = 197 100 + 100 = 200 Answer: 3
You can calculate 3444 times 670 without rounding or you can estimate it WITH rounding. But you cannot estimate it without rounding.
No 100 is not a reasonable estimate
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!