### Day 20 - Work Day - 09.15.14

Bell Ringer
• Go over Quiz 3!
1. Simplify the following: 2x(x + 3)

1. 3x + 6

2. 4x + 6

3. 2x + 3

4. 2x2 + 6x

5. none of the above

2. Which of the following are equivalent to the following: 2x2 + 4x + 6

1. 2(x + 2x + 3)

2. 2(x2 + 2x + 3)

3. x(x + 2x + 3)

4. 2x(x + 2x + 3)

5. none of the above

3. Which of the following are prime numbers?

1. 1

2. 2

3. 4

4. both a and b

5. none of the above

4. Which of the following are composite numbers?

1. 1

2. 2

3. 4

4. both a and b

5. none of the above

5. Which of the following are prime factors of 24?

1. 6 * 4

2. 2 * 12

3. 2 * 3 * 4

4. 2 * 2 * 2 * 3

5. none of the above

Review
• Monomials
• Polynomials
• Multiplying Polynomials by Monomials
• Multiplying Polynomials by Polynomials
• Special Products

Lesson
• Intro to Factoring
• Section 9-1
• Practice #4-17 (odds)
• Checkpoint 1 - #6, 8, 10, 12, 16, 18
• Practice #20-27 (odds)
• Checkpoint 2 - #26, 28
• Practice #32-47 (odds)
• Checkpoint 3 - #36, 38, 44, 46
• Practice #49-61 (odds)
• Checkpoint 4 - #58, 60
• Section 9-2
• Practice #5-11 (odds)
• Checkpoint 5 - #6, 8, 10, 12
• Practice #17-39
• Checkpoint 6 - #36, 38, 44
• Practice #49-59 (odds)
• Checkpoint 7 - #52, 54, 56, 58

Exit Ticket
• Posted on the board at the end of the block
Lesson Objective(s)
• How can expressions be factored?

Standard(s)

Mathematical Practice(s)
• #1 - Make sense of problems and persevere in solving them
• #2 - Reason abstractly and quantitatively
• #3 - Construct viable arguments and critique the reasoning of others
• #6 - Attend to precision
• #7 - Look for and make use of structure