Square Roots of Whole Numbers

This lesson covers the concept of square roots, also known as radicals, focusing on whole numbers. It explains the radical symbol and the radicand, and provides examples of perfect squares, where the square root is a whole number. The lesson also discusses non-perfect squares, which result in irrational numbers, and concludes with a summary of the key points.

What is the term used for the number under the square root symbol?

• Radical

• Exponent

• Radicand

• Root

Which of the following is a perfect square?

• 35

• 30

• 25

• 20

What is the square root of 36?

• 8

• 7

• 6

• 5

What type of number is the square root of 3?

• Irrational

• Whole

• Integer

• Rational

If a number is not a perfect square, what can be said about its square root?

• It is a fraction

• It is a whole number

• It is irrational

• It is an integer