1. Objective: You will learn how to determine if a number is a perfect square and how to find the square root of perfect squares.

2. Perfect Squares and Square Roots
Squares: Special rectangles where all four sides are congruent

3. Perfect Squares and Square Roots
Perfect Square: A number is a perfect square if you can take that many 1 x 1 unit squares and form them into a square.

4. Perfect Squares and Square Roots
Perfect Square: A number is a perfect square if you can take that many 1 x 1 unit squares and form them into a square.
Is 4 a perfect square?

5. Perfect Squares and Square Roots
Perfect Square: A number is a perfect square if you can take that many 1 x 1 unit squares and form them into a square.
Is 5 a perfect square?

6. Perfect Squares and Square Roots
Perfect Square: A number is a perfect square if you can take that many 1 x 1 unit squares and form them into a square.
Is 6 a perfect square?

7. Perfect Squares and Square Roots
Perfect Square: A number is a perfect square if you can take that many 1 x 1 unit squares and form them into a square.
What is next?

8. Perfect Squares and Square Roots
Perfect Square: A number is a perfect square if you can take that many 1 x 1 unit squares and form them into a square.
Square Root: When a number is a perfect square, the side length of the square it forms is called its square root.
Square root Square root
of ___ of ___
is ___ is ___

9. Perfect Squares and Square Roots
Practice: Determine whether each of the following numbers is a perfect square. If it is a perfect square, give its square root:
(A) 10
(B) 16
(C) 1

10. Perfect Squares and Square Roots
Practice: Determine whether each of the following numbers is a perfect square. If it is a perfect square, give its square root:
(A) 10
(B) 16
(C) 1

11. Perfect Squares and Square Roots
Practice: Determine whether each of the following numbers is a perfect square. If it is a perfect square, give its square root:
(A) 10
(B) 16
(C) 1

12. Perfect Squares and Square Roots
Practice: Determine whether each of the following numbers is a perfect square. If it is a perfect square, give its square root:
(A) 10
(B) 16
(C) 1