Lesson: Estimating Differences between Three-Digit Numbers: Rounding Math Connects • Grade 3 • Student Edition • Math Connects • Grade 2 • Volume 2 • Student Edition • enVisionmath 2.0 • Grade 3 • Volume 2 • Common Core • JUMPMath 4.1 • Part 1 of 2 • Assessment & Practice • US Edition

Mathematics

In this lesson, we will learn how to round to the nearest ten or hundred to estimate the value of differences with numbers up to 1000.

Sample Question Videos

Q1:

Which number is nearest to ?

Q2:

Look at how David rounded to estimate this difference.

Round the numbers in this calculation to the nearest hundred.

Calculate the estimate.

Q3:

Look at how Victoria rounded to estimate this difference.

Round the numbers in this calculation to the nearest hundred.

Calculate the estimate.

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