3rd grade Estimation and Rounding Math Quiz - Estimation is a procedure of finding the guess of a thing to happen. For instance, you could evaluate the time it would take to settle this test. Estimation is a critical idea of science as it manages the time or guess an errand would take to be finished. Everyday life cases of estimation incorporate you assessing the time it would take to get the opportunity to class, an opportunity to play out a particular errand etc. This test covers he fundamental ideas of estimation and rounding off of numbers in students of grade 3. It contains statements which prompt the students to estimate the next round off to the numbers and choose the correct option among the given options.Learn how to estimate the number of items in a group, roun up numbers to the nearest ten, thousands, hundreds, add or subtract and round up.