Principal Square Root: Definition & Example


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question 1 of 3

What is 4^2 (four squared)?

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What are the two square roots of 64?

Hint: one is positive and one is negative

2. What are the two square roots of 121 and which is the Principal Root?

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About This Quiz & Worksheet

The quiz is a collection of math problems. The questions will ask you to evaluate a number of squares and square roots. Some questions will also require you to identify the principal root. Other questions will give you a series of numbers. You will then need to identify these numbers' properties.

Quiz & Worksheet Goals

The questions on the quiz will cover:

  • Squares
  • Square roots
  • Principal roots
  • Perfect squares

Skills Practiced

The quiz will help you practice the following skills:

  • Making connections - use understanding of the concept of principal square roots
  • Problem solving - use acquired knowledge to solve principal square root practice problems
  • Interpreting information - verify that you can read information regarding perfect squares and interpret it correctly
  • Information recall - access the knowledge you've gained regarding square roots
  • Knowledge application - use your knowledge to answer a question about principal roots

Additional Learning

Finish the quiz and head over to the related lesson titled Principal Square Root: Definition & Example. The lesson covers the following objectives:

  • Defining the square
  • Exploring the square root
  • Understanding the principal root
  • Describing perfect squares