it makes it easier when u round
Estimating will give an indication of the order of magnitude of the answer. The decimal point determines the order of magnitude.
104
170.8889
Yes, that's true.
it makes it easier when u round
Estimating will give an indication of the order of magnitude of the answer. The decimal point determines the order of magnitude.
104
If you have no clue about how decimals work then getting an estimate for the answer gives you an order of magnitude which can help in placing the decimal. But if you are even a bit clued up, estimating will not be necessary.
51.875
170.8889
Yes, that's true.
Nothing at all.
4000 x 8 = 32000
19.8889
48.75
You can use estimation and place value to help you figure out where to place the first digit.