MATH 267 Supplemental Instruction

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Lecture: MWF 12:10-1:00 pm
Instructor: ANDREOTTI

SI Leader: Joanne V.

Weekly SI Sessions

Sunday 4:10pm @ Online
Monday 6:10pm @ Online
Wednesday 7:10pm @ Online

About SI for this Course

Supplemental Instruction is provided online via WebEx during the period of online classes. Join my SI sessions by using this link:

Due to potential unforeseen obstacles SI Leaders may encounter as they move to online delivery, some sessions may be modified, cancelled, or suspended until in-person sessions can resume on campus.

SI is a resource intended to help you establish keen learning skills on your own and among small groups. Each session will be 50 minutes and will primarily target corresponding lecture information. Worksheets will be utilized as well as engaged group activities. Come to find some study buddies! We will emphasize problem solving that will help you not only in this course, but future endeavors as well.

Please contact me through this website. I strongly encourage any and all questions that may bring clarity to the course. I am excited to share my advice for MATH 267 with y'all!



Hi y'all,

I will be holding an exam review with Trace, the other MATH 267 SI leader on Sunday, February 9th at 6:10-8:00 in PHYSICS 0005.

I will NOT be holding my regular session on Sunday, February 9th from 4:10-5:00 and we will not be learning material on the Friday after your exam, so there will be no session on Sunday, February 16th.

I will have additional practice and answer any questions during the Wednesday session (7:10-8:00 in Gilman 1051) before the exam.

Good luck on your studies!



Hey y'all!

Welcome back from spring break! SI will continue online at regular times through Webex. This week, we will work on Laplace Transforms on Monday, Wednesday, and Sunday.

Keep up with the work load! Send me any questions at


Hey y'all!

We will practice variation of parameters, undetermined coefficients (patterns in variation of parameters), Cauchy-Euler equations, and applications, accordingly with the lectures during this week's sessions.

See you in lecture and at the sessions!


Hey y'all!

We will go over reduction of order and keep practicing auxiliary equations on Sunday, and non-homogeneous second order equations on Monday and Wednesday.

I'll see you at the sessions!


Hey y'all!

We will practice checking solutions: fundamental sets, determinants, and using initial values to solve for constants for second order differential equations on Monday and second order linear homogeneous equations on Wednesday.

I hope your exams went well and I hope to see you at the sessions!


Hey everyone!

I will have practice on applied problems in Monday's session and a general review/Q&A for last minute questions on Wednesday.

The Sunday session after your exam on Thursday will be cancelled.

Good luck on your exam!


3.23.2020 [PDF] -

3.11.2020 [PDF] -

3.11.2020 Key [PDF] -

Applications Worksheet [PDF] -

Applications Worksheet Key [PDF] -

Exam 2 Review [PDF] -

Exam 2 Review Key [PDF] -

Exam 1 Review [PDF] - Review of separable, linear, exact, substitution, and applied problems

Exam 1 Review Key [PDF] -

2.5.2020 [PDF] - Substitution: Homogeneous, Bernoulli's, Replacement

1.29.2020 [PDF] - Week 3.3

1.22.2020 [PDF] - Chapter 1 Review & Chapter 2: solution curves, separable equations

1.26.2020 [PDF] - Chapter 2: separable equations, homogeneous linear first order equations