More Lessons for Grade 3
Videos, stories and solutions to teach Grade 3 students how to estimate sums by rounding.
Rounding to Estimate Sums
Estimate Sums - Applications
Learn to apply estimation of sums.
Estimating Addition and Subtraction Problems
This video explains how to round whole numbers to estimate addition and subtraction problems.
Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.
You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.