if you had an adding sum we would use it and if you were estimating
You don't need to: the answer is 2560.
No, it is not. Estimating may be rounding but need not be.
That would depend on what you were rounding it to. If rounding to the nearest whole number, then it does not need rounding. If rounding to the nearest ten, it would be 420. If rounding to the nearest hundred, it would be 400.
i need this to do my packet of work and stuff but i cant figure it out
Rounding in Visual Basic is the method of rounding an integer up, or flooring an integer, which is rounding down. To round up, you use the System.Math.Round function. To round down, or floor, you use the System.Math.Floor function.
My math teacher started rounding in the third grade and it has followed me since. Another use might be, "They were just rounding the bend when he came into sight."
Use rounding and estimation to predict the approximate quotient of 285 ÷ 11.
It is - if you use appropriate rounding. Rounding does not have to be to whole numbers.
estimation
You can find plenty of math rounding worksheets online. Math rounding worksheets are best for practicing rounding numbers. here you will find plenty of math rounding worksheets to practice with and they are free so there is no need to buy a book. here is the link: www.homeschoolmath.net/worksheets/rounding.php
Rounding, you see the number and just make it look neater or easier to use. Estimating, you guess a number.
Rounding up sheep.