This lesson about rounding and estimating will introduce you to some of the most common methods of estimation and rounding numbers.
Rounding whole numbers
Learning to round whole numbers is fundamental. This is where all your studies start.Make sure you got a good understanding of this lesson before learning anything else. Take your time. We are not in a race here!
Estimating a sum
After you have mastered the lesson about rounding whole numbers, your next stop is right here. This lesson will show you how you can round to the nearest ten, or hundred to get the best estimate when trying to estimate a sum.
Front end estimation
Next, front end estimation is explored, which can be used to estimate product and division. Unlike estimating a sum, which may try to estimate by rounding to different places, front end estimation only round and add the numbers in the leftmost place. You must explore this type of estimating numbers!
Compatible numbers
Finally, compatible numbers will take estimation to a whole new level. If you have no clue what compatible numbers are, this is the time to learn what they are and how they are used to get good estimate for multiplication and division.
Cluster estimation
Learn how to use cluster estimation to estimate sums and products.
May 26, 22 06:50 AM
Learn how to find the area of a rhombus when the lengths of the diagonals are missing.