## Practice & Review, Video Narrative, Summing Up .mov - Section 1: Summing Up

*Practice & Review, Video Narrative, Summing Up .mov*

Practice & Review

# Practice & Review

Unit 2: The Complex Number System

Lesson 12 of 16

Lesson 12 of 16

## Objective: Through specific and directed practice, students will gain confidence and competence with addition, subtraction, and multiplication of complex numbers.

Standards:

*45 minutes*

2

#### Practice & Review

*30 min*

Students will work diligently to solve a number of problems carefully selected from the textbook.

p. 522 #1 - 14 (powers of i)

p. 522 #29 - 32 (parts *a* - *c* only) (sums, differences, & products)

p. 522 #33 - 38 (complex conjugates; absolute value)

Of course, they may need help, and that's my job! I fully expect to spend a large part of the lesson working with small groups on difficult concepts, taking students to the board for explanations, and playing match-maker with students to pair up those who've figured it out with those who haven't.

Bear in mind that all of this is merely intended as breathing-room before we continue our study of complex arithmetic with division of complex numbers!

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- UNIT 1: Modeling with Algebra
- UNIT 2: The Complex Number System
- UNIT 3: Cubic Functions
- UNIT 4: Higher-Degree Polynomials
- UNIT 5: Quarter 1 Review & Exam
- UNIT 6: Exponents & Logarithms
- UNIT 7: Rational Functions
- UNIT 8: Radical Functions - It's a sideways Parabola!
- UNIT 9: Trigonometric Functions
- UNIT 10: End of the Year

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- LESSON 1: Quadratic Equations, Day 1 of 2
- LESSON 2: Quadratic Equations, Day 2 of 2
- LESSON 3: Inconceivable! The Origins of Imaginary Numbers
- LESSON 4: Complex Solutions to Quadratic Equations
- LESSON 5: Complex Addition
- LESSON 6: The Parallelogram Rule
- LESSON 7: Complex Arithmetic and Vectors
- LESSON 8: Multiplying Complex Numbers, Day 1 of 4
- LESSON 9: Multiplying Complex Numbers, Day 2 of 4
- LESSON 10: Muliplying Complex Numbers, Day 3 of 4
- LESSON 11: Multiplying Complex Numbers, Day 4 of 4
- LESSON 12: Practice & Review
- LESSON 13: Dividing Complex Numbers
- LESSON 14: Quadratic Functions Revisited, Day 1
- LESSON 15: Quadratic Functions Revisited, Day 2
- LESSON 16: Complex Numbers Test

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