Manual Square Root Calculation Steps

This tutorial video teaches how to manually calculate the square root of 38 to two decimal places. The process involves identifying the closest perfect square, performing division, and refining the approximation through a series of steps. The video concludes with verifying the result using a calculator, demonstrating the accuracy of the manual method.

What is the main focus of this tutorial video?

• Calculating square roots by hand

• Understanding the history of square roots

• Learning about perfect squares

• Learning to calculate square roots using a calculator

Why is 38 not considered a perfect square?

• It is less than 50

• It is an even number

• It is a prime number

• It cannot be expressed as the square of an integer

What is the first step in setting up the manual square root calculation?

• Writing the number 38 and a division symbol

• Finding the square of 38

• Using a calculator to find the square root

• Dividing 38 by 2

Which number is used as the initial divisor in the calculation?

• 8

• 5

• 6

• 7

What is the remainder after the first division step?

• 3

• 4

• 2

• 1

What is the significance of the number 1 in the calculation process?

• It is the units place of the square root

• It is the tenths place of the square root

• It is the hundreds place of the square root

• It is the thousands place of the square root

What is the next step after finding the first digit of the square root?

• Add two zeros to the remainder

• Double the number 61

• Multiply by 10

• Divide by 7

What is the significance of the number 79 in the calculation?

• It is the next number to be divided

• It is the remainder after the first subtraction

• It is the number to be multiplied

• It is the final result

What is the purpose of bringing down two zeros in the process?

• To make the number larger

• To simplify the calculation

• To increase the precision of the result

• To verify the result

What is the purpose of the multiplication symbol in the process?

• To verify the calculation

• To multiply the result

• To find the next digit

• To divide the number