Square Root Calculation Using Division Method

This video tutorial explains how to find the square root of large numbers using the division method. It provides a detailed walkthrough of several examples, including the square roots of 2209, 5184, 7225, 21316, and 329476. Each example is broken down into clear steps, demonstrating how to pair numbers, identify perfect squares, and perform calculations to find the square root. The tutorial emphasizes understanding the process and encourages practice with additional examples.

What is the first step in finding the square root of a large number using the division method?

• Add 10 to the number

• Multiply the number by itself

• Break the number into pairs of two digits

• Divide the number by 2

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CCSS.8.EE.A.2

In the example of finding the square root of 2209, which perfect square is used first?

• 16

• 49

• 25

• 36

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CCSS.8.EE.A.2

When finding the square root of 5184, what is the perfect square just under 51?

• 36

• 49

• 64

• 25

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CCSS.8.EE.A.2

What is the final answer for the square root of 5184?

• 70

• 68

• 72

• 74

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CCSS.8.EE.A.2

In the example of 7225, what is the perfect square just under 72?

• 81

• 49

• 36

• 64

Tags

CCSS.8.EE.A.2

What is the square root of 7225?

• 85

• 75

• 95

• 80

Tags

CCSS.HSA-REI.B.4B

For the number 21316, what is the first perfect square used in the division method?

• 9

• 16

• 1

• 4

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CCSS.8.EE.A.2

What is the square root of 21316?

• 126

• 156

• 146

• 136

Tags

CCSS.8.EE.A.2

In the example of 329476, what is the highest perfect square under 32?

• 16

• 25

• 49

• 36

Tags

CCSS.8.EE.A.2

What is the square root of 329476?

• 554

• 584

• 574

• 564

Tags

CCSS.8.EE.A.2