Math 145. Problem solving. Fall 2022.
Tentative class schedule with homework assignments
This schedule is subject to change.
Assignments shown in gray italics may (and very likely will) change. The ones shown in black regular font will not.
Important Deadlines | ||||
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Sep 2 | Last day to ADD a class without a permission number | |||
Sep 16 | Last day to DROP a class without a serious and compelling reason and without a grade of W (withdrawal) listed on university transcript | |||
Sep 19 | Last day to ADD a class with a permission number | |||
Nov 11 | Last day to DROP classes for a serious and compelling reason | |||
Date | Chapter and Topic | Problem(s) of the day: solve before class | Homework due at 11:59 PM: submit via Overleaf) | |
Aug 22 | Syllabus. Overleaf, Homework 1 template.
Textbook (updated 8/25/22) |
none | ||
Aug 24 | 1. Introduction. Co-curricular activities: Journal Problems, PSP, PSC, Putnam Competition, Math Circle.
Problem solving steps and strategies The College Mathematics Journal February Problems (due Sep 15) The American Mathematical Monthly April Problems (due Sep 30) The American Mathematical Monthly May Problems (due Oct 31) Math Horizons August Problems (due Oct 31) (added on 8/27/22) Mathematics Magazine June Problems (due Nov 1) The College Mathematics Journal April Problems (due Nov 15) The American Mathematical Monthly June Problems (due Dec 31) The American Mathematical Monthly August Problems (due Feb 28) (added on 10/13/22) Mathematics Magazine October Problems (due Mar 1) (added on 10/13/22) The College Mathematics Journal August Problems (due Mar 15) (added on 10/13/22) The American Mathematical Monthly September Problems (due Mar 31) (added on 10/25/22) Math Horizons October Problems (due Jan 15) (added on 10/28/22) The American Mathematical Monthly October Problems (due Apr 30) (added on 11/11/22) The American Mathematical Monthly November Problems (due May 31) (added on 11/11/22) |
1.5 | ||
Aug 26 | 12:00-12:50 PM, Journal Problem Solving Group, meeting in PB 013, open to all | |||
Aug 26 | 2. Principle of mathematical induction | 2.5(d) | ||
Aug 29 | 2. Principle of mathematical induction | 2.16 | ||
Aug 31 | 2. Principle of mathematical induction | 2.25 | ||
Sep 2 | 12:00-12:50 PM, Journal Problem Solving Group, meeting in PB 013, open to all | |||
Sep 2 | 3. Dirichlet's box principle | 3.10 | ||
Turn in your solutions to the problems in the September issue of the College Mathematics Journal asap. The deadline for journal submissions is September 15, however, you are strongly encouraged to show your solution(s) to your instructor and get feedback first. | ||||
Sep 5 | Labor Day - no classes or office hours | |||
Sep 7 | 3. Dirichlet's box principle | 3.24 | ||
Sep 7 | 5:30-7:30 PM, Math Circle, grades 9-12, need to sign up, Report attendance | |||
Sep 9 | 12:00-12:50 PM, Journal Problem Solving Group, meeting in PB 013, open to all | |||
Sep 9 | 3. Dirichlet's box principle | 3.34 | homework 1: any 3 problems from: 2.8, 2.12, 2.14, 2.18, 2.20, 2.22 for extra credit: 2.24 or 2.26 Homework 1 template (optional, may use your own) |
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Sep 10 | 10:00-11:30 AM, Math Circle, grades 3-4, 5-6, 7-8, need to sign up, Report attendance | |||
Sep 12 | 4. Number theory | 4.2(a) | ||
Sep 14 | 4. Number theory | 4.10 | ||
Sep 14 | 5:30-7:30 PM, AMC 10/12 practice, S2 307, Report attendance | |||
Sep 16 | 12:00-12:50 PM, Journal Problem Solving Group, meeting in PB 013, open to all | |||
Sep 16 | 4. Number theory | 4.36 | homework 2: any 3 problems from: 3.8, 3.16, 3.18, 3.22, 3.26, 3.30 for extra credit: 3.32 or 3.36 |
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Turn in your solutions to the problems in the April issue of the American Mathematical Monthly asap. The deadline for journal submissions is September 30, however, you are strongly encouraged to show your solution(s) to your instructor and get feedback first. | ||||
Sep 19 | 5. Case analysis | 5.3(b) | ||
Sep 21 | 5. Case analysis | 5.14 | ||
Sep 21 | 5:30-7:30 PM, Math Circle, grades 9-12, S2 307, Report attendance | |||
Sep 23 | 12:00-12:50 PM, Journal Problem Solving Group, meeting in PB 013, open to all | |||
Sep 23 | 6. Finding a pattern | 6.2 | homework 3: any 3 problems from: 4.16, 4.27(d), 4.28, 4.30, 4.32, 4.34 for extra credit: 4.26 or 4.44 |
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Sep 24 | 10:00-11:30 AM, Math Circle, grades 3-4, 5-6, 7-8, sign up in advance or come to PB 013 by 9:50 AM to receive instructions, Report attendance | |||
Sep 26 | 6. Finding a pattern | 6.19(b,c) | ||
Sep 28 | 7. Working backwards | 7.4 | ||
Sep 28 | 5:30-7:30 PM, AMC 10/12 practice, S2 307, Report attendance | |||
Sep 30 | 12:00-12:50 PM, Journal Problem Solving Group, meeting in PB 013, open to all | |||
Sep 30 | Drawing pictures in LaTeX: sample file Review: Practice test 1, Solutions |
none | homework 4: 3 problems total 1 or 2 problems from: 5.2(a and c), 5.3(d), 5.4(a), 5.8 1 or 2 problems from: 5.16, 5.18 for extra credit: 5.10(a) or 5.11(b) |
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Oct 3 | Test 1 (covers chapters 2-5) | none | ||
Oct 5 | 7. Working backwards | 7.14 | ||
Oct 5 | 5:30-7:30 PM, Math Circle, grades 9-12, S2 307, Report attendance | |||
Oct 7 | 12:00-12:50 PM, Journal Problem Solving Group, meeting in PB 013, open to all | |||
Oct 7 | 7. Working backwards | 7.26 | homework 5: any 3 problems from: 6.4, 6.8, 6.10, 6.14, 6.16, 6.20 for extra credit: 6.18 |
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Oct 8 | 10:00-11:30 AM, Math Circle, grades 3-4, 5-6, 7-8, sign up in advance or come to PB 013 by 9:50 AM to receive instructions, Report attendance | |||
Oct 10 | 8. Invariants | 8.2 | ||
Oct 12 | 8. Invariants | 8.14 | ||
Oct 12 | 5:30-7:30 PM, AMC 10/12 practice, S2 307, Report attendance | |||
Oct 14 | 12:00-12:50 PM, Journal Problem Solving Group, meeting in PB 013, open to all | |||
Oct 14 | 8. Invariants | 8.22 | homework 6: any 3 problems from: 7.6, 7.8, 7.10, 7.16, 7.22, 7.28 for extra credit: 7.30 or 7.32 |
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Turn in your solutions to the problems in the May issue of American Mathematical Monthly, problems in the August issue of Math Horizons, and/or problems in the June issue of Mathematics Magazine asap. The deadlines for journal submissions are October 31 for the first two journals and November 1 for the third, however, you are strongly encouraged to show your solution(s) to your instructor and get feedback first. | ||||
Oct 17 | 9. Coloring | 9.2 | ||
Oct 19 | 9. Coloring | 9.10 | ||
Oct 19 | 5:30-7:30 PM, Math Circle, grades 9-12, S2 307, Report attendance | |||
Oct 21 | 12:00-12:50 PM, Journal Problem Solving Group, meeting in PB 013, open to all | |||
Oct 21 | 9. Coloring | 9.16 | homework 7: any 3 problems from: 8.4, 8.8, 8.10(a), 8.12, 8.18, 8.32 for extra credit: 8.10(b) or 8.34 |
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Oct 22 | 10:00-11:30 AM, Math Circle, grades 3-4, 5-6, 7-8, sign up in advance or come to PB 013 by 9:50 AM to receive instructions, Report attendance | |||
Oct 24 | 10. Graphs | 10.2 | ||
Oct 26 | 10. Graphs | 10.22 | ||
Oct 28 | 12:00-12:50 PM, Journal Problem Solving Group, meeting in PB 013, open to all | |||
Oct 28 | Review: Practice test 2, Solutions | none | homework 8: any 3 problems from: 9.4, 9.8, 9.12, 9.20, 9.24, 9.26 for extra credit: 9.22 |
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Oct 31 | Test 2 (covers chapters 6-9) | none | ||
Turn in your solutions to the problems in April issue of The College Mathematics Journal asap. The deadline for journal submission is November 15, however, you are strongly encouraged to show your solution(s) to your instructor and get feedback first. | ||||
Nov 2 | 10. Graphs | 10.42 | ||
Nov 2 | 5:30-7:30 PM, Math Circle, grades 9-12, S2 307, Report attendance | |||
Nov 4 | 12:00-12:50 PM, Journal Problem Solving Group, meeting in PB 013, open to all | |||
Nov 4 | 11. Combinatorics | 11.4 | ||
Nov 5 | 10:00-11:30 AM, Math Circle, grades 3-4, 5-6, 7-8, sign up in advance or come to PB 013 by 9:50 AM to receive instructions, Report attendance | |||
Nov 7 | 11. Combinatorics | 11.22 | ||
Nov 9 | 11. Combinatorics | 11.48 | note this homework is due on a Wednesday homework 9: any 3 problems from: 10.10, 10.12, 10.18, 10.26, 10.30, 10.40 for extra credit: 10.46 or 10.52 |
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Nov 9 | 5:30-7:30 PM, AMC 10/12 practice, S2 307, Report attendance | |||
Nov 11 | Veteran's Day - no classes, no office hours | |||
Nov 14 | 12. Calculus | 12.8 | ||
Nov 16 | 12. Calculus | 12.12 | ||
Nov 18 | "Field trip" to Department of Mathematics Day (DMD),
open to all, need to sign up to give a talk or play in Math Jeopardy; encouraged to RSVP but do not have to sign up to just attend.
No regular class |
none | homework 10: any 3 problems from: 11.6, 11.10, 11.28, 11.30, 11.54, 11.64 for extra credit: 11.46 (at least two parts) or 11.62 |
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Nov 19 | 10:00-11:30 AM, Math Circle, grades 3-4, 5-6, 7-8, sign up in advance or come to PB 013 by 9:50 AM to receive instructions, Report attendance | |||
Nov 21 | 12. Calculus | 12.22 | ||
Nov 23 | Thanksgiving recess - no classes or office hours | |||
Nov 25 | ||||
Nov 28 | 13. Various problems / journal problems presentations | 13.12, 13.16, or 13.20 (your choice) | ||
Nov 29 | 5:30-7:30 PM, AMC 8 practice, grades 8 and below, S2 107, Report attendance | |||
Nov 30 | 13. Various problems / journal problems presentations | 13.18, 13.24, or 13.26 (your choice) | note this homework is due on a Wednesday homework 11: any 3 problems from: 12.10, 12.14, 12.16, 12.24, 12.36, 12.38 for extra credit: 12.26 or 12.32 |
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Nov 30 | 5:30-7:30 PM, Math Circle, grades 9-12, S2 307, Report attendance | |||
Dec 2 | 12:00-12:50 PM, Journal Problem Solving Group, meeting in PB 013, open to all | |||
Dec 2 | Review: Sample Test 3 | none | ||
Dec 3 | 8:00-11:00 AM and 1:00-4:00 PM, Putnam Competition, need to sign up in advance, contact Dr. Delcroix for location, Report attendance | |||
Dec 5 | Test 3 (covers chapters 10, 11, 12) | none | ||
Dec 6 | 5:30-7:30 PM, AMC 8 practice, grades 8 and below, S2 107, Report attendance | |||
Dec 7 | Review Fall 2013 Final Exam, Fall 2009 Final Exam, Fall 2005 Final exam, Fall 2005 Final Exam Solutions, more practice problems |
none | ||
Dec 7 | 5:30-7:30 PM, AMC 10/12 solutions and awards, S2 307, Report attendance | |||
Turn in all solutions to journal problems asap. The journal deadlines for the following problems are after the semester is over (ranging from December 31 to May 31),
however, to receive credit for this class any solutions must be turned in by December 9.
The American Mathematical Monthly June Problems Math Horizons October Problems The American Mathematical Monthly August Problems Mathematics Magazine October Problems The College Mathematics Journal August Problems The American Mathematical Monthly September Problems The American Mathematical Monthly October Problems The American Mathematical Monthly November Problems | ||||
Dec 8 | Faculty consultation day. Consultation hours: 10:00-11:50 am for all classes in PB 340 | |||
Dec 9 | Faculty consultation day. Consultation hours: 2:00-2:50 pm for all classes in PB 340,
3:00-3:50 pm for Math 145 only in our usual classroom |
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Dec 12 | 3:30-5:30 pm: Final exam (cumulative), in our usual classroom |