When you sit down and actually work the problem, the estimate you made
helps you decide whether the answer you get is reasonable or screwy. In
that way, the estimate is another method of checking your work.
Yes.
yes
That way, if your calculations are way off, you will notice.
i really don't know this i am the one who asked it and none of these work for me
icebergs are helpful because they make lakes and ponds
It can be helpful for people who do not have a clue where the decimal point should go in the answer. For those who do know, the exercise is pointless.
Mr. Kevin thinks that estimation can help students get real sense of conversion between fraction and percentage.
Seeing an example sentence was helpful. I found it helpful to review example sentences.
because if you estimate it will elp you understand what the problem you are doing.For in example.what is 20 tims 84 so you esitmate near the tens place. my esitmate was 1,600 because 20times 80= 1,600.the real answer is 1,680
It is helpful because when you are finished estimating (for example: multpliying, diving, adding or subtracting) it's like checking your work that's why it can be helpful to estimate before finding the actual product.
Yeast: used to make bread
they make you feel well again.