Lesson Plans - Grade 8 Math

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3-27-2000
1. ProgReport#12....2. HW SqrRt Example.3. Problm/Week Pt A.
4. Problm/Week Pt B.5. .................6. .................

OBJECTIVE: ACTIVITIES: Math Activities Experience/Ms. Coe NOTES: HOMEWORK: Summarize what you liked in a brief paragraph.

3-28-2000
1. HW-MAE Summary...2. .................3. .................
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OBJECTIVE: Use the Pythagorean Theorem(8-5, Pp315) ACTIVITIES: Draw a rectangle with four right angles and parallel sides. Measure the sides. estimate the diagonal. Measure the diagonal. Draw a parallelogram. Measure the sides. Estimate the diagonals. Measure the diagonals. Tell something different about the diagonals of the rectangle and the parallelogram. Demo the Pythagorean Theorem. NOTES: [Right Triangles] [Pythagorean Theorem Interactive] HOMEWORK: P317 7&8 show work

3-29-2000
1. HW 317 7&8.......2. P318 13-16.......3. .................
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OBJECTIVE: Manipulate the Pythagorean theorem as an equation. ACTIVITIES: Use the Pythagorean Theorem to find a third side of a right triangle (a^2+b^2=c^2) (use equation manipulation to demonstrate) NOTES: [Some interactive applets on the Pythagorean Theorem] HOMEWORK: P602 (8-5) 9-11

3-30-2000
1. HW602(8-5)9-11...2. .................3. .................
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OBJECTIVE: Use the Pythagoream Therem to graph irrational numbers on a number line.(8-6B) Find the distance between the points on a coordinate plane(8-7, Pp325ff) ACTIVITIES: 1) Model the graphing of irrational numbers on a number line. Model finding the length of straight lies on a coordinate plane. (Using the Pythagorean Theorem) NOTES: HOMEWORK: P603(8-7) 4&6

3-31-2000
1. HW603(8-7)4&6....2. .................3. .................
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OBJECTIVE: Use the length of lines from unit 8-7 to solve special problems. ACTIVITIES: Find the length of lines using the Pythagorean Theorem. Determine which lines to draw to enable the solution of complex problems such as the area of a triangle drawn on a grid-coordinate chart. NOTES: HOMEWORK: P603(8-7) 10&11

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Problem of the week (check the scoring guide) The problem of the week is due next Monday. Students are to use diagrams, charts, and tables as needed. Explain the process used to solve the problem. Be neat.

Detemine the area of a triangle whose vertices are located at (2,-1), (-2,2) and (-6.14).
Plot the triangle on a piece of graph paper and use the Pythagorean Theorem (a²+b²=c²) to solve. List and explain the steps!
Answer to be in square units.