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Precalculus Weekly Lesson Plans
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Stage 3 – Learning Plan: 10/6/14 – 10/10/14
Objective 9: Find trig values and angles with a calculator. TEKS: 1A
Activities:
 Whole Class: Unit 3, EX 1-3 (pg. 1-2)
 Discuss meaning of arc functions.
 Whole Class: EX 4 – 7
 Discuss common calculator mistakes
 Guided Practice: #1 (pg. 9)
 Discuss results with seat partner
Materials: Unit 3 of Precalculus Manual
Follow Up/HW: Finish Pg. 9, #1. Check HW answers online.
Objective 10: Solve right triangles. TEKS: 1A, 3E
Activities:
 Discuss HW questions
 Whole Class: EX 9 – 13 (pg. 4)
 Quiz
 Guided Practice #2 (pg. 9-10)
Assessment: Quiz (Find trig values and angles with calculator)
Materials: Unit 3 of Precalculus Manual
Follow Up/HW: Finish Pg. 9-10, #2. Check HW answers online.
Objective 11: Solve problems involving two right triangles. TEKS: 1A, 3E
Activities:
 Warm-Up: Geometry Review (label figure with missing angles)
 Discuss HW Questions
 Whole Class: EX 14-15 (pg. 5)
 Guided Practice (pairs): Pg. 5 EX. 16
 Discuss EX. 16
 Independent Practice: Solving right triangles. (one triangle and multi-step)
 Check answers. Student-led Q &A
Materials: Unit 3 of Precalculus Manual, practice Worksheet
Follow Up/HW: Pg. 10, #3. Check HW answers online.
Objective 12: Solve problems involving physical situations using right triangle
trigonometry. TEKS: 1A, 3E
Activities:
 Warm-Up: Quiz (10 min)
 HW Questions
 Whole Class: EX 17 - 21
 Assessment: Quiz (Solve right triangles.)
Materials: Unit 3 of Precalculus Manual
Follow Up/HW: Pg. 11, #4-8 (Draw a diagram for each.) Check HW answers online.