Math 21-300
Fall, 2019

• Online textbook [Link]
• Course syllabus [PDF]
• Homework assignment 1 due Wednesday, September 4, at the beginning of lecture:
  Exercises 1.1 and 1.2, and the two additional exercises on induction and recursion at the end of the Chapter 1 list of exercises [Link]
• Assignment 1 sample solutions [PDF]
• Homework assignment 2 due Wednesday, September 11, at the beginning of lecture:
  Exercises 1.3 and 1.4 from the online textbook
• Assignment 2 sample solutions [PDF]
• Homework assignment 3 due Wednesday, September 18, at the beginning of lecture:
  Exercises 2.1, 2.2, 2.3, 2.4 and 2.5 from the online textbook.
• Assignment 3 sample solutions [PDF]
• Homework assignment 4 due Wednesday, September 25, at the beginning or at the end of lecture:
  Exercises 2.6, 2.7, 2.16, 2.17 and 2.21 from the online textbook.
• Assignment 4 sample solutions [Exercises 2.6, 2.7, 2.16 and 2.21] and [Exercise 2.17]
• Homework assignment 5 due Wednesday, October 2, at the beginning or at the end of lecture:
  Exercises 2.18, 2.19, 2.20 and the 2.20 bonus exercise.
• Assignment 5 sample solutions [PDF]
• Homework assignment 6 due Wednesday, October 9:
  Exercises 3.1, 3.2, 3.3, 3.4 and 3.5 from the online textbook.
  Note: For assignment 6 only, if you do not submit a paper copy at the beginning or at the end of lecture, then you may email an electronic copy in PDF format with acceptable file size to the professor by 10 pm sharp.
• Assignment 6 sample solutions [PDF]
• Midterm 1 had 100 points possible.
  The grade cutoffs are:
  • A ≥ 70
  • B ≥ 60
  • C ≥ 50
  • D ≥ 15
• Midterm 1 solutions [PDF]
• Homework assignment 7 due Monday, October 21, at the beginning of lecture or at the end of lecture:
  Exercises 3.11, 3.12, 3.16 and 3.17 from the online textbook.
• Assignment 7 sample solutions [PDF]
• Homework assignment 8 due Monday, October 28, at the beginning of lecture or at the end of lecture:
  Exercises 3.19 parts 1 and 2, 3.20, 3.21 and 3.22 from the online textbook.
• Assignment 8 sample solutions [PDF]
• Homework assignment 9 due Wednesday, November 6, at the beginning of lecture:
  3.7, 3.8, 3.9, 3.18 and 3.19 part 3 from the online textbook.
• Assignment 9 sample solutions [PDF]
• Midterm 2 had 100 points possible.
  The grade cutoffs are:
  • A ≥ 70
  • B ≥ 55
  • C ≥ 40
  • D ≥ 30
• Midterm 2 solutions [PDF]
• Homework assignment 10 due Wednesday, November 20, at the beginning of lecture or at the end of lecture:
  Exercises 4.2, 4.5, 4.6 from the online textbook.
• Assignment 10 sample solutions Part 1 [PDF] and Part 2 [PDF]
• Recently added to the online book:
  Exercises 4.16, 4.17, 4.18 and 4.19 on Boolean algebras.
  The second part of 4.18 is another back and forth argument!
• Homework assignments 1-10 had 400 total points possible.
  The grade cutoffs are:
  • A ≥ 360 (90%)
  • B ≥ 320 (80%)
  • C ≥ 280 (70%)
  • D ≥ 240 (60%)
• The final exam will be on
  • Chapter 1,
  • Chapter 2 but not Section 2.6,
  • Chapter 3, and
  • Chapter 4, Sections 4.1, 4.2, 4.3 and 4.4.
  Later material will be emphasized over earlier material.
• Reminder about course grades:
  • There are three components:
    • Homework contributes 20%
    • Each midterm exam contributes 25%
    • The final exam contributes 30%
  • Each component has its own grade cutoffs.
  • The weighted average of the component cutoffs yields the course grade cutoffs.

• The final exam had 120 points possible. The grade cutoffs are:
  • A ≥ 90
  • B ≥ 60
  • C ≥ 45
  • D ≥ 30
• For course grades, calculate:

      (4/5)(Homework percentage) + (Midterm 1) + (Midterm 2) + (Final exam)

  and compare with the table:

  • A ≥ (4/5)(90)+(70)+(70)+(90) = 302
  • B ≥ (4/5)(80)+(60)+(55)+(60) = 239
  • C ≥ (4/5)(70)+(50)+(40)+(45) = 191
  • D ≥ (4/5)(60)+(15)+(30)+(30) = 123