Square Roots and Their Properties

This video tutorial covers the concept of square roots, explaining the components of radicals and how to calculate square roots using different methods, including factorization. It provides examples of both small and large numbers, discusses properties and tricks for solving square roots, and concludes with a summary of the key points.

What is the symbol used to represent a square root?

• Radical

• Exponent

• Fraction

• Logarithm

Tags

CCSS.8.EE.A.2

What is the square root of 25?

• 5

• 6

• 4

• 3

Tags

CCSS.8.EE.A.2

Which number, when multiplied by itself, gives 9?

• 2

• 3

• 5

• 4

Tags

CCSS.8.EE.A.2

What is the square root of 81?

• 8

• 7

• 9

• 10

Tags

CCSS.8.EE.A.2

How can you find the square root of a number using factorization?

• Divide the number by 2

• Subtract 1 from the number

• Multiply the number by itself

• Find pairs of equal factors and take one from each pair

Tags

CCSS.8.EE.A.2

What is the square root of 49?

• 8

• 7

• 6

• 5

How can you simplify the square root of 4900?

• Subtract 100 from 4900

• Multiply 49 by 100

• Divide 4900 by 2

• Find the square root of 49 and multiply by 10

Tags

CCSS.8.EE.A.2

What is the square root of 144?

• 13

• 12

• 10

• 11

Tags

CCSS.8.EE.A.2

What is the square root of 441?

• 19

• 20

• 22

• 21

Tags

CCSS.8.NS.A.2

Which of the following is a correct method to estimate the square root of a number close to a perfect square?

• Multiply the number by 2

• Divide the number by 10

• Add 1 to the number

• Find a nearby perfect square and adjust slightly

Tags

CCSS.8.NS.A.2