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Lesson Plans - Math 3
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    pythagorean theorem - right triangle
    5-20-2002 CMP Text Bring your calculator! Bring your ruler!
    1. -HW Page 32 Problem 3.4 B...
    2. -HW Page 32Follow-Up1 all..

    OBJECTIVE:[#To deduce the Pythagorean Theorem through exploration #To Use the Pythagorean Theorem to find areas of squares drawn on a dot grid #To use the Pythagorean Theorem to find the distance between two points on a grid #To determine whether a triangle is a right triangle #To relate areas of squares to the length of the sides] ACTIVITIES: Additional practice page 143 using the Pythagorean Theorem NOTES: HOMEWORK: Additional Practice page 143   Interactive Graphic [Pythagorean Solver] Link Graphic

    5-21-2002 CMP Text Bring your calculator! Bring your ruler! Bring your graph paper!
    1. -HW Page 143 AddPrac..
    2. -Pre-test........

    OBJECTIVE: See 5-20 above. ACTIVITIES: On a grid-coordinate chart: plot and connect the following points in order: a(2,3), b(-3,4), c(-1,-2), d(-4,-5), e(5,-1). Find the perimeter and area. Show work in a neat, orderly fashion. NOTES: HOMEWORK: Finish pre-test    Interactive Graphic [Pythagorean Solver] Link Graphic

    5-22-2002 CMP Text Bring your calculator!
    1. -PreTest.........
    2. =Page 42 Problem 4.1 all...

    OBJECTIVE:[#To apply the Pythagorean Theorem in several problem situations #To investigate the special properties of a 30-60-90 triangle and an isosceles right triangle (45-45-90) #To use the properties of special right triangles to solve problems. ] ACTIVITIES:[Distribute Progress Report #15] Problem 4.1 'Stopping Sneaky Sally' and follow-Up NOTES: HOMEWORK: P46+ 1, 3, 5   Interactive Graphic [Pythagorean Solver] Link Graphic   Also: See Pages 328ff in  Glencoe Text  [Special Right Triangles]Link Graphic

    Special Right Triangles:Summary

    1. For 30-60-90 degree triangles.....
      1. The short leg is ALWAYS the side across from the 30-degree angle
      2. Hypotenuse= 2 * short leg
      3. Long Leg = Sqrt(3) * short leg
    2. For 45-45-90 degree triangles.....
      1. The triangle is isosceles.
      2. The two legs are congruent.
      3. Leg=Leg and Hypotenuse= sqrt(2) * leg
    5-23-2002 CMP Text Bring your calculator!
    1. =ProgReport#15...
    2. -HW Page 46 1/3/5.....
    3. =Page 43 Problem 4.2.......

    OBJECTIVE: See 5-22 above. ACTIVITIES: Page 43, Problem 4.2 'Analyzing Triangles (working with equilateral triangles) NOTES: HOMEWORK: P44 problem 4.2 follow-up    Interactive Graphic [Pythagorean Solver] Link Graphic

    5-24-2002 CMP Text Bring your calculator!
    1. -HW Page 44 Problem 4.2Follow-Up.
    2. =Page 45Problem 4.3........
    3. -Page 45Problem 4.3Follow-Up....

    OBJECTIVE: See 5-22 above ACTIVITIES: Page 45, Problem 4.3 'Finding the Perimeter' Apply the characteristics of the special 30-60-90 and 45-45-90 triangles) NOTES: HOMEWORK: Page 46+ 2, 4, 10   Interactive Graphic [Pythagorean Solver] Link Graphic



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