Unit #5: Square Root & Pythagorean Theorem
Unit #5: Square Root & Pythagorean Theorem
Objective: Use squares and square roots as they apply to the
Pythagorean theorem.
Objective: Use squares and square roots as they apply to
the Pythagorean theorem.
Standards & Textbook Connections
 I know what a square root is and how to calculate the
square root of a square number (2.6.1)
 I know what irrational numbers are and how they are
different from rational numbers (2.6.2)
 I can find the approximate square root of any number
without using a calculator (2.6.3)
 I know that the side of a square is the square root of
its area
 I know what the Pythagorean theorem says (3.3.1)
 I know the formula for the Pythagorean Theorem
(3.3.1)
 If I know the length of two sides of a triangle, I can
find the length of the third side (3.3.2)
 I can use the Pythagorean Theorem to find the lengths
in more complicated shapes and real life situations
(3.3.3)
 I know what Pythagorean Triples are (3.3.4)
 I can use the reverse of the Pythagorean theorem to
determine weather if a triangle is a right triangle.
Standards & Textbook Connections
 I know what a square root is and how to calculate the
square root of a square number (2.6.1)
 I know what irrational numbers are and how they are
different from rational numbers (2.6.2)
 I can find the approximate square root of any number
without using a calculator (2.6.3)
 I know that the side of a square is the square root of
its area
 I know what the Pythagorean theorem says (3.3.1)
 I know the formula for the Pythagorean Theorem
(3.3.1)
 If I know the length of two sides of a triangle, I can
find the length of the third side (3.3.2)
 I can use the Pythagorean Theorem to find the
lengths in more complicated shapes and real life
situations (3.3.3)
 I know what Pythagorean Triples are (3.3.4)
 I can use the reverse of the Pythagorean theorem to
determine weather if a triangle is a right triangle.
Key Vocabulary:
 Perfect square
 Square root
 Positive root
 Negative root
 Rational
 Irrational
 Integer
Key Vocabulary:
 Perfect square
 Square root
 Positive root
 Negative root
 Rational
 Irrational
 Integer







Pythagorean Theorem
Right triangle
Hypotenuse
Legs
Right angle
Terminating decimal
Repeating decimal







Pythagorean Theorem
Right triangle
Hypotenuse
Legs
Right angle
Terminating decimal
Repeating decimal