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In this lesson, we will learn how to estimate square roots.

Q1:

Which of the following numbers is closest to 5?

Q2:

The formula for the area of a square is 𝐴 = 𝑠 2 , where 𝑠 is the side length. Estimate the side length of a square whose area is 74 square inches.

Q3:

Using estimation to determine the values of the square roots to the nearest whole number, order the following in ascending order: √ 3 8 , 7, √ 8 8 , 4.

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