Lesson: Estimating Sums of Two-Digit Numbers: Rounding Elementary School • Mathematics • 3rd Grade • Math Connects • Grade 2 • Volume 1 • Student Edition

Mathematics

In this lesson, we will learn how to estimate the sum of two-digit numbers by rounding to the nearest ten.

Sample Question Videos

Q1:

Which number is nearest to ?

Q2:

Choose the number that is closest to .

Q3:

Estimate by rounding the numbers to the nearest tens.

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