3.6

Yoon Yun

Mathematics - Los Angeles Mission College

3.6
Quality
3.3
Difficulty
60%
Would Retake
121
Reviews
3.6
Quality
3.3
Difficulty
3.6
Helpful
3.5
Clarity

60%

Would Retake

121

Reviews

Rating Distribution
Official

5

58

4

21

3

7

2

11

1

24

What Students Say

Professor Yun is an very bad math professor

MATH266 - 1.0 rating

the main issue with her is her way of teaching not her

227STATS - 3.0 rating
Class Info

Online Classes

100%

Attendance Mandatory

55%

Textbook Required

58%

Grade Predictor

Your expected effort level

LowHigh

Predicted Grade

B+

95% confidence
Based on 52 grades
Most common grades:
B (16)
A (16)
C (8)
Grade Distribution
A(19)B(17)C(9)D(3)F(0)A-/B+(7)
Based on 66 reported grades
B: 16
A: 16
C: 8
Not sure yet: 6
Common Tags
Lots of homework (27)
Test heavy (26)
Caring (21)
Tough grader (21)
Clear grading criteria (15)
Gives good feedback (12)
Accessible outside class (8)
Lecture heavy (6)
Rating Trend

Declining

-0.70 avg change
Dec
Jan
Jun
Jul
Oct
Dec
Last 6 months
Ratings by Course

227

5.0

(3)

265

5.0

(1)

STATI207

5.0

(1)

MATH0332

5.0

(1)

MATH125

4.6

(11)
+17 more courses
Difficulty by Course

MATHMATH

5.0

MATH266

4.6

MATH262

4.6

MATH245

4.5

265

4.0

Reviews (121)
3.0
4.0
MATH245
Oct 25, 2005

Very difficult.She doesn't grade on a curve.Tests cover 2 chapters at a time!!! If you can avoid it, get another professor.

2.0
5.0
MATH245
Grade: B
Oct 26, 2005

WOW..not very helpful...doens't go over homework in class. Wants you to go to her office to discuss hw problems. Not to thorough with her explanations in class. Goes 100 mph in class.

2.0
5.0
MATH245
Grade: C
Nov 8, 2005

Do not take her. She goes much too fast. Feels that homework/review should be done on your own time. She's made it clear that she will not be grading on a curve. I'm pretty confident in saying that most of this class will be failing or getting D's at best.

2.0
4.0
MATH112
Feb 6, 2006

Do not take her. Very bad thecher. She is not helpful at all.

2.0
3.0
MATH113
Feb 8, 2006

Do not take her. Her english sucks she goes very fast and this is suppose to be a slow class. She seems like a nice lady but you will need to take the math lab and get a tutor because just her teaching will not be enough.

5.0
2.0
MAT112
Apr 11, 2006

The best math teacher I have ever had. I never really understood math until now. She is tough at first, but if you follow her teaching method you will begin to understand how math works.

5.0
3.0
MATH112
Feb 15, 2007

I loved her class. She was very helpfull and nice. Yeah the reviews werent very helpful because they were take home but her teaching was still good enough to not need the review.

5.0
3.0
MATH112
May 25, 2007

Great professor... she was not there at the beginning due to her pregnacy but once she arrived she went right to work. Very clear yeah u dont review but it is not necessary because everything that is on the tests is on the notes. Loved her class!!

5.0
1.0
STATI207
Aug 19, 2007

Wonderful, wonderful teacher, very helpful. Very easy going. I don't recommend her class for summer or winter but she made it so easy & fun. I strongly recommend her class. Very friendly too.

5.0
1.0
MATH227
Oct 2, 2007

Mrs Yun is the best math teacher I've ever had. She is very clear and fair on the grading of her tests. Everything comes from the homework and the review. She'll even go over some problems right before the exams and they're often the same ones on the test you're about to take. However I wouldn't recommend taking Stats during the summer.Very fast

3.0
4.0
MATH114
Oct 19, 2007

i like this teacher a lot. she is very organized, easy to understand, and will help you out. i recommend to take this teacher for any math, shes awesome!

5.0
3.0
MATH115
Nov 18, 2007

shes a really good teacher i would refer her to anyone!!!

5.0
2.0
MATH115
Nov 26, 2007

She is awesome. she is very helpful and easy to understand. she goes over everthing you need to know for tests and common final. she makes it easy for people who usually dont understand math.

3.0
2.0
MATH125
Jun 12, 2008

Goes too fast, she is very nice and helpful but tries to teach 2 or 3 sec at a time. lots of hw no curving on grading.

2.0
5.0
STATS227
Dec 8, 2008

Do not take her stats class. She spends little time on reviewing homework and doesn't use the book. Her use of powerpoints makes the class more confusing. She also spends far too much tiome on the easy stuff, and is constantly running out of time to explain the more difficult issues. I would say approx 60% of the class has dropped.

5.0
4.0
MATH227
Dec 19, 2008

Prof Yun is my favorite math teacher. She really cares about students who are willing to put in the effort required. I'm very challenged with math and sought her help. She explained things in a very clear, elementary, easy-to understand manner. I earned an A and feel I really understand the material. Office hours really helped.

1.0
5.0
MATH227
Mar 27, 2009

if you are going to take this class..be prepared to teach yourself. does not know how to teach 227. i would suggest taking it with another teacher that can actually teach and help you understand the subject.

5.0
4.0
MATH227
Jun 30, 2009

Great Instructor! Covers every topic thoroughly. Provides great handouts to supplement lecture and great review suggestion before each exam. Grades fairly. Difficult subject, but understandable with this instructor. Very helpful and caring, but strict.

5.0
1.0
MATH115
Jul 1, 2009

AMAZING teacher. she acually cares whether or not you leart he material. math is a subject that you must pay attention in order to learn and as long as you take notes and listen to what she is saying you will pass i guarantee it. she explains everything well and really wants everyone to do well

4.0
1.0
MATH115
Oct 26, 2009

Fair teacher. She doesn't grade on a curve. Gives a lot of homework. covers everything on her tests. Uses examples from the homework and review. Wouldn't recommend buying a book. Borrow one from a friend or go to the library and borrow one. You only need it for the chapter tests. Need to buy webassign though.

5.0
1.0
MATH115
Nov 22, 2009

Ms. Yun is the best teacher I have had at mission college. She wants all her students to pass the class. She will go out of her way for your success.

1.0
5.0
MATH115
May 2, 2010

I truste yoon yun and told her i didnt know multiplication tables too well i need extra help and compassion next day i raised my hand asked question she told everyone in class about my situation and why i wasent understanding math i dropped her class the next day i felt ashamed.

1.0
5.0
MATHMATH
May 3, 2010

I dont know where all these positive comments about this instructure are coming from the reality is she goes too fast writes examples on the board and doesent even give student 5min to work on the problems expect to cover 3-4 chapters in one day. her English sucks talks too fast and has No gift to teach.

4.0
1.0
MATH123
May 10, 2010

i really enjoyed her class. Don't be embarrased to ask for help! She'll always help. She definitely wants her students to pass. PLUSSS you won't need the book, homework and lab work is online! :)

5.0
2.0
MATH115
May 14, 2010

Excellent teacher. Great lectures, caring, and tests are spot on from the reviews she goes over with you. Must attend class & must study. She is caring and wants the best for her students.

2.0
4.0
MATH227
May 27, 2010

This is the worst teacher I have ever had in my life! GOES TOO FAST! She is more worried about getting every crammed in one day than making sure her students understand the material. Avoid her if you possibly can!

4.0
3.0
MATH125
May 10, 2011

good teacher! She explains material good. She is willing to help her students to the point that she will help you via e-mail. I recommend her!

5.0
2.0
MATH125
Jun 14, 2011

Good teacher! I've never liked math until I took 115 and 125 with her. She is very nice and helpful! She always tries to cheer up students with math. She provides study guides similar to test and attendance is very important to her.

4.0
3.0
MATH123C
Nov 13, 2011

Yun (or Yoon, she doesn't care) is a great math teacher. She's really sweet and praises people for good grades. She's very helpful and tries to make sure everyone gets the help they need. She does in class practice test reviews which really help because they're similar to the actual test. I recommend doing the mathlab test the day before the test.

5.0
3.0
MATH115
Nov 30, 2011

Professor Yun is an amazing professor. She explains everything cleary and down to the point. She helps you whenever you need it and is very nice. :D

4.0
4.0
MATH266
Dec 1, 2011

Overall was a good teacher. 3 things I didn't like: 1) didn't collect hw for a grade 2) doesn't drop lowest test unless final exam grade is higher than your lowest exam, 3) assigns group work & only grades 1 paper, so if you have egotistic people in your group who get every problem wrong, you'll get that grade- happened 3 times! I HAD to drop!!!!

5.0
3.0
MATH115
Dec 17, 2011

Wonderful Prof. Nice, caring, provides clear explaination and doesn't move on unless everyone understands (as long as you speak up, that is). Great test reviews w/handout. Wants students to succeed.

5.0
3.0
MATH125
May 7, 2012

The greatest math teacher ever. I used to dislike math until i took Yuns class and made class so fun yet challenging. SHes the best math teacher!

5.0
1.0
MATH123
May 16, 2012

She is such a great MATH teacher i took her for 123C and she was good. She is very sweet and the way she lectures makes it simple to understand! you will not regret taking her for a math.

4.0
1.0
MATH112
Jun 7, 2012

Easy A. Just do all your work. If you fall behind catch up with tutoring or ask her and she will help with problems.

5.0
1.0
MATH0332
Jun 13, 2012

Very easy class, she was a very good teacher. Do all your work and you will pass. Tests are only 20 questions average and are not that difficult.

5.0
2.0
MATH115
Jun 25, 2012

she is very helpful and cares about her students

4.0
2.0
MATH240
Jul 12, 2012

She is teaching this course under the LA Mission College STEM Program. So, the class has more work than the usual Summer Class, other than mandatory attendance to PD 17 and a Writing Worshop immediately after. The next 2 classes after killed it for me. The more work is Example Book, 40Q Fake Test,20QHW per section,20Q quiz/test, and 20Q Final.

5.0
4.0
MATH240
Nov 16, 2012

great teacher! just do the hw and test will be easy

5.0
3.0
MATH115
Dec 18, 2012

The Best! She uses MyLabsPlus. Doing HW on this helps you with preparing for the tests. She also hands out reviews for every test. As a teacher, she is a fair grader. She really does want every one to pass, giving us useful info on how to pass for the Final weeks before. She drops your lowest exam, and the rest is up to you to pass. Easy.

5.0
3.0
MATH115
Dec 23, 2012

This is my 2nd semester taking her. I got an A last semester and an A this one too. She is super nice & fair. Just do all your work, study hard for the tests, & ask questions. If you fall behind see the professor after class she is more than willing to help. You also have the tutoring center and of course, the internet. There is no excuse to fail.

4.0
1.0
MATH115
Dec 23, 2012

She's really awesome. She goes a little fast, but it's not too hard to keep up. I really think if you don't quite understand you go to her office hours. She's really easy to talk to. She drops your lowest test, she gives short quizzes once a week, and a final. Doing all homework and online quizzes helps your grade and study for tests.

4.0
1.0
MATH115
Dec 23, 2012

The book is a must to be able to access online homework and quizzes, anything after that we didn't use it. She used it once for a group work, but that was it. She's very helpful and will go over things if time permits. She goes a little fast. Attending isn't mandatory, but being there really helps to understand the material and not struggle w/tests

5.0
1.0
MATH125
May 8, 2013

Very good Teacher. She explains very clearly. I would recommended.

5.0
2.0
MATH125
Jun 1, 2013

Class is pretty easy. EVERYONE has to get the book in order to access the homework online. Same book from Math 115. She really tries to help her students. All the homework serves as a time to study. She drops one of the tests you take. Final is mandatory. Attendance is best to help you understand what you're learning.

4.0
1.0
MATH125
Jun 10, 2013

She is a really good teacher and is very helpful. The test are free response so you should study before a test.

5.0
1.0
MATH125
Jul 8, 2013

My 3rd consecutive math class with her and I earned 3 As with her. She does her best in trying to teach you math and is more than willing to help you during/after class if you need it. Any help I ever needed she provided. She's nice and funny, and willing to cut you breaks some times. No complaints, basically, your grade depends on your effort.

3.0
5.0
227STATS
Grade: Incomplete
Nov 19, 2014

The teacher is hard to understand during her lectures uses power points to teach math -_- as if the course martial isn't hard enough. the main issue with her is her way of teaching not her. Over all she is nice and "takes it back" also if the class pressures her she will change due dates on the quizzes. have retake the course

5.0
4.0
265
Grade: A
Dec 31, 2014

She is a wonderful professor and I truly learned a lot from her class. She really cares about her students and wants everyone to do well. As long as you do your homework and study the homework and review questions you should do fine. She is a reasonable teacher, but of course it is not an easy A because calculus is a hard subject.

5.0
2.0
227
Grade: A+
Mar 16, 2015

As long you do the online hw, review and pay attention to her lectures you will succeed in her class. If you decide to take her 5 week course, be prepared to make this your first priority . She provides great feedback as long as you are willing to do the work.

3.0
3.0
MATH265
Grade: B
Jul 17, 2015

A nice professor but I couldn't understand her lectures. Don't know whether it was because I had a bad math foundation or that I just couldn't grasp her lectures right away. I was at a C and worked my way up to a B. Do your homework and you can bet that exam questions would be similar.

5.0
3.0
MATH227
Grade: B+
Dec 12, 2015

Professor Yun is the best Mathematics professors at Mission. She is very approachable, and makes sure that her best interest is in teaching the students until they understand the subject. Although the subject she teaches can be difficult, her methods of teaching make the class very welcoming. I would highly recommend!

5.0
2.0
STATS227
Grade: A
Feb 5, 2016

I highly recommend taking Yun for 227. I had her last fall semester for Math 137, and have taken her the following winter for 227. Professor Yun is a wonderful instructor, she is very clear and patient. She makes the criteria easy to understand, and she answers all questions. If you're taking her in winter expect homework, but easy to pass.

5.0
4.0
MATH125
Nov 30, 2016
Would take again

Prof. Yun is such a caring teacher. If you have any questions about the material, she'll be more than happy to explain it more. She goes slow on her lectures to ensure that everyone can understand. Whenever there's a problem with the online homework, you can count on her to help you solve it.

LOTS OF HOMEWORK
Clear grading criteria
Caring
5.0
2.0
MATH125
Grade: A
Dec 31, 2016
Would take again

Hands down Professor Yun is an amazing math professor. I have taken her for 2 courses. Math is my weakness, but Professor Yun has helped me in so many ways. She's a must take. Yes there's a lot of homework involved, but it helps you out because the questions appear on the tests.

Respected
ACCESSIBLE OUTSIDE CLASS
Caring
1.0
5.0
MATH266
Grade: B+
May 25, 2017
Wouldn't take again

Professor Yun is an very bad math professor. I have taken her for1 courses in calculus and she did not helps at all whit lot of homework.

Tough Grader
LOTS OF HOMEWORK
TEST HEAVY
5.0
3.0
MATH115
Grade: A
Jun 17, 2017
Would take again

I loved this professor. She actually cares about her students passing the class and understanding the material. i would be taking her again for 125 but she's not teaching it for fall so I'll be taking her for stats. She's so sweet and if you ask her for help she'll definitely help. She's the best math professor ever.

Clear grading criteria
TEST HEAVY
1.0
5.0
MATH266
Grade: C
Aug 2, 2017
Wouldn't take again

She makes subject more difficult than it is. Gets bothered when you ask a question on the homework. Makes you feel like a dumb ass instead of explaining the question/answer. she is a really worth math teacher.

Tough Grader
TEST HEAVY
LECTURE HEAVY
4.0
4.0
227STATS
Grade: A
Dec 15, 2017
Would take again

Professor Yun was easy to approach and easy to ask questions. Her lectures could be a little difficult to comprehend but as long as you ask whenever your confused you'll be fine. Studying is a must in this class or you won't pass.

LOTS OF HOMEWORK
Caring
GROUP PROJECTS
4.0
3.0
MATH112
Jan 25, 2018
Would take again

She made learning easy. That especially was a plus for me because I really suck at math so I appreciate how hard she tried to have everyone understand exactly what she was teaching.

Skip class? You won't pass.
Clear grading criteria
Caring
5.0
2.0
MATH125
Grade: C
Jan 31, 2018
Would take again

Although I only had her for a 5 week, 5 unit course, she seemed like a very like- able person. She cares about the success of her students and offers extra credit to help out during a difficult exam.

Clear grading criteria
TEST HEAVY
EXTRA CREDIT
5.0
2.0
MATH112
Grade: B+
Apr 24, 2018
Would take again

Professor Yun is a great math instructor. Math is my weakest subject and she basically teached everything I never understood in high school. I learned math basics thanks to her. She takes her time and gives great examples neatly. Tests were cumulative but not hard if you did homework. I would definitely recommend her!

Skip class? You won't pass.
Clear grading criteria
Amazing lectures
5.0
2.0
MATH260
Grade: A-
May 31, 2018
Would take again

Im not really one to rate professors but Professor Yoon was by far the best math instructor at Mission. She is so giving with grading .All her tests are written exams not multiple choice so she gives points for being on the right track!She does give homework for every section on xyz website. She is very kind and hilarious. Her lectures were great!

Hilarious
Amazing lectures
Caring
5.0
3.0
MATH227
Dec 18, 2018
Would take again

Professor Yoon is truly one of those professors who cares about their students, and making sure that they understand the material. I took her for online Stats, and yes it is a tough class, you have to keep up on your assignments, there is weekly homework, 3 exams, one project, and the final exam, and going to her office hours weekly helped a lot!

Gives good feedback
Clear grading criteria
Caring
5.0
4.0
MATH266
Grade: C
Dec 22, 2018
Would take again

God bless this lady! She is truly amazing. She is very kind and cares about her students. Her exams were hard, but she gave a good study guide for each one. I wish I took more of her classes!

Inspirational
Clear grading criteria
Caring
5.0
4.0
MATH266
Grade: A
Dec 26, 2018
Would take again

Professor Yoon is one of the nicest math professors that Ive met. Not only does she know the the material well she can convey the material in various ways. Just do the homework, study the exam guide as most of them will be on the exam in a similar matter. Understand the homework because her quiz problems will be similar to them. Nice grader!

Skip class? You won't pass.
ACCESSIBLE OUTSIDE CLASS
Amazing lectures
5.0
4.0
MATH227
Grade: A
Feb 17, 2019
Would take again

Ive been dreading this class for a while and Im so happy I took it with Prof Yoon. Shes awesome, knowledgeable and helpful. The class takes work, especially online, a lot to do in a short time but the tests are exactly like the homework. If you try, youll pass. It takes self motivation so if you cant do that, you wont make it. Great class!

5.0
3.0
MATH260
Grade: Not sure yet
Apr 11, 2019
Would take again

Professor Yun is hands down the best math professor I have ever had. She really wants everyone to understand and she really cares. She almost spent an hour on each exam day reviewing for us. She does explain things in a complicated way, but if you tell her that, she will find a hundred other ways to explain it to you until you get it.

Lots of homework
Accessible outside class
Caring
4.0
4.0
MATH245
Grade: B
Apr 26, 2019
Would take again

Professor, Yun is well organized with her lectures. Making the class straight forward, but she tends to forget while she is teaching the subject. In my opinion, she can help you pass the class if you take advantage of her office hours and study labs. Not too difficult just expect to stay on top of your work and you'll do fine.

Clear grading criteria
Beware of pop quizzes
Lecture heavy
3.0
4.0
MATH260
Grade: B-
May 28, 2019
Wouldn't take again

Professor Yun is a very sweet and nice person but cares more about getting all the content in rather than whether or not the class understands it. She moves way too fast and doesn't really care seeing the class struggle. The final exam percentage is ridiculous and not fair. Have to be a fast learner with good memory to succeed in her class.

Skip class? You won't pass.
Test heavy
Lecture heavy
5.0
3.0
MATH260
Grade: C
May 30, 2019
Would take again

Took professor Yoon for Spring 19 online, and it was great. Exams have an option of doing it online or in person. If in person, she will meet with you before the exams for any/all questions. I did feel like there were some questions on exams we didn't really cover. But she will help you with anything you have a question on. Best math teacher!

Gives good feedback
Clear grading criteria
Caring
5.0
4.0
MATH227
Grade: A
Jun 9, 2019
Would take again

I have taken Professor Yun for Math 125 and Math 227. She is a great online instructor and everything is organized and clear as to what is do when and what she expects of you. She is also very kind and caring and is always there to help you if you need her. I highly recommend taking her.

Gives good feedback
Accessible outside class
Caring
1.0
5.0
MATH227
Grade: B
Jun 10, 2019
Wouldn't take again

Don't take with her it's not easy class

5.0
2.0
MATH260
Grade: A
Jun 11, 2019
Would take again

Professor Yun is an amazing teacher, she explains material excellently and will answer your questions until you understand. She has clear grading criteria and will give you partial credit for attempting problems, she won't take the class for you but she will definitely make the experience much easier. Take her if you have the chance.

Gives good feedback
Clear grading criteria
Caring
5.0
4.0
MATH227
Grade: A
Dec 18, 2019
Would take again

Math is not easy, but if you do all the work and ask her questions, she will help. She is a very caring professor and she assigns a lot of homework, but it all helps with learning the material. The grading criteria and schedule is clear and she is well organized. I took her for Math 125 and 227, and I would definitely take her again.

Lots of homework
Clear grading criteria
Caring
4.0
3.0
MATH260
Grade: A
Dec 18, 2019
Would take again

Good for self-sufficient students. Exams proctored and consist of problems from textbook, mostly from HW. Studying for exams very tedious - mainly memorisation but if you're good at that then they aren't difficult. Final especially difficult in that regard because it's comprehensive and 27% of grade. Generous grader. Review sessions held in class.

Accessible outside class
Test heavy
4.0
3.0
MAT112
Grade: B
May 8, 2020
Would take again

Professor Yoon Yun is by far the best Math teacher I have ever had. I don't like math but she made me like it and understand it. If I could take her again I would.

Lots of homework
Accessible outside class
Caring
2.0
3.0
MATH266
Grade: Not sure yet
Nov 19, 2020
Would take again

4 exams including final. Exams decide your grade especially final which is worth 27% of total grade. Exams are easy and she often pushes deadlines. Reason for low rating is because she doesn't teach. No lecture material forces you to teach yourself EVERYTHING. If you are good at teaching yourself she will be a 5/5 for you. Extremely slow grading.

Gives good feedback
Graded by few things
Test heavy
1.0
5.0
MATH227
Jan 29, 2021
Wouldn't take again

Lots of homework, hard class, no meetings.

Lots of homework
Test heavy
Tough grader
5.0
3.0
227STATS
Grade: B
Feb 19, 2021
Would take again

Highly recommend this professor! Shes really clear on her instructions and is very helpful. She is willing to extend hw and offers examples and solutions to the problem that the class might have a hard time understanding. The exams are basically similar problems on the practice exams.

Gives good feedback
Lots of homework
Clear grading criteria
4.0
3.0
MATH227
Grade: A
Apr 21, 2021
Would take again

I took Professor Yun for 2 classes (Trigonometry and Statistics). For the classes that I took, we needed to get access to MyMathLab which was the only downside for me. Professor Yun is very understanding and although there aren't lectures, she offers help if you need it. Just make sure to not procrastinate and to practice math problems.

Clear grading criteria
5.0
4.0
MATH227
Jan 21, 2022
Would take again

Professor Yun is great! She cares for her students and when I needed to take tests earlier she would let me. She helps out if you need it . She made stats less stressful. I would take her again. She did end up curving the grade and I got a D but still thankful she did!

Skip class? You won't pass.
Caring
Clear grading criteria
5.0
4.0
MATH266
Grade: A
Jan 31, 2022
Would take again

I took Profesor Yun's Calculus 2 class in fall 2022 online and absolutely loved it. She gives plenty of materials and references to the material and the homework is heavily emphasized. The homework and subject may seem daunting but if you work for it and seek help through office hours and videos, you will pass. The test are hard but very doable.

Gives good feedback
Test heavy
Caring
1.0
4.0
227STATS
Grade: B
Mar 26, 2022

she makes the course though for students.

Tough grader
Test heavy
5.0
4.0
MATH227
Grade: A+
Apr 19, 2022
Would take again

Prof. Yun is so kind and sweet. But her class is extremely difficult during the Winter semester, so beware. I don't regret taking this, but my life was a living nightmare for a month since I'm not math oriented. There's just too much HW, so don't try to hold down a job at the same time. Prof. Yun, though, is wonderful. She was always there for me.

Lots of homework
Test heavy
Accessible outside class
1.0
5.0
MATH266
Grade: Not sure yet
Apr 30, 2022

Very difficult teacher. Gives limited time for tests and you won't even be able to finish them. A lot of homework that is time consuming as most of the things on the test aren't even close to what the homework is. Beware, don't take her.

Tough grader
Lots of homework
Test heavy
5.0
3.0
MATH240
Grade: B
May 8, 2022
Would take again

One of my favorite math professors, she genuinely cares. I took her in person for algebra, and online for trigonometry. she instructed with much care for the student. theres still group activity, lots of homework but overall the best math class experience I have had is from her teaching. still gives lots of assignments tho so be sure 2 ask 4 help.

Amazing lectures
Lots of homework
Caring
2.0
4.0
227STATS
Grade: Rather not say
Jun 7, 2022

Overall, this class is taught in a very fast pace environment as the professor does move into chapters quickly. If you are someone who isn't good at math like me I would not recommend this professor to you. Very hard to improve your grade as tests are what make your grade, and homework/projects barely affect your grade.

Tough grader
Lots of homework
Lecture heavy
4.0
3.0
227STATS
Grade: B
Jun 10, 2022
Would take again

I recommend Prof. Yun. She was a good teacher. You'll pass the class if you do all the hw, assignments, tests, quizess, as well as projects. Don't miss any of those most especially the exams. The project was kind of complicated for me but you'll get through it. Just try your very best and she'll help you. She wants you to pass the class.

Clear grading criteria
Gives good feedback
Lots of homework
1.0
5.0
MATH266
Jun 11, 2022

- the tests and final exams are more challenging than the homework and discussions. -Due to the limited time given to students during both the tests and the final exam, you can't finish the tests and final exams on time. -Never judge her on this rating, for it is always higher than 4, which means that something is wrong with it

Tough grader
EXTRA CREDIT
Test heavy
1.0
5.0
MATH266
Jun 12, 2022

- the tests and final exams are more challenging than the homework and discussions. - Due to the limited time given to students during both the tests and the final exam, you can't finish the tests and final exams on time.

Tough grader
Test heavy
1.0
5.0
MATH266
Grade: B
Jun 14, 2022

Terrible. This class had my crying every week. Exams were much harder than practice tests or hw. Not much extra credit offered. DO NOT TAKE THIS PROFESSOR.

Tough grader
Lots of homework
Test heavy
1.0
5.0
MATH266
Jul 16, 2022

She gives no feedback on your final exam. Heavy tests with limited time.

Tough grader
Lots of homework
Test heavy
1.0
5.0
MATH266
Grade: Drop/Withdrawal
Aug 3, 2022

This was one of the worst class experiences I have ever had. The exams were long and difficult with little time given. The professor was getting paid to do nothing. If you want to enjoy your life, do not take this class!!

Tough grader
Lots of homework
Test heavy
1.0
5.0
MATH266
Grade: B
Aug 11, 2022

Unless you like to self-teach yourself EVERYTHING, do not take Calc 2 with this professor. She gives no lectures and expects way too much of us in return. Tests are worth a very sizable part of your grade, and are very hard to complete within the allotted time given. Very little study material forces you to Google your way into an education. Beware

Tough grader
Lots of homework
Test heavy
1.0
5.0
MATH266
Grade: Rather not say
Aug 13, 2022

I am typically a good student, but I took this course asynchronously and it was the worst decision I've ever made. You have to teach yourself everything, not to mention that there are no video lectures to watch on your own time and the textbook is of no help. Avoid this class. My GPA and schedule are ruined for next year.

Tough grader
Lots of homework
Test heavy
1.0
5.0
MATH266
Grade: Rather not say
Nov 30, 2022

This professor is not a good choice for calculus 2. Maybe for lower division math classes she slides because there essentially easier. Find a professor that actually cares about teaching

Tough grader
Test heavy
4.0
4.0
MATH266
Grade: Not sure yet
Dec 17, 2022
Would take again

Shes an online professor and that made the class so hard, but what helped so much was going to office hours. GO TO HER OFFICE HOURS!! She's so helpful and breaks things down so well. What helped me as well was youtube lectures. Specifically from @s.drake. Hopefully this helps, good luck.

Gives good feedback
Accessible outside class
5.0
2.0
227
Grade: Rather not say
Mar 8, 2023
Would take again

She's a nice and caring professor. Just pay attention to the lectures and you'll do well. Great projects with real-world application.

Gives good feedback
Caring
Respected
2.0
5.0
MATH227
Apr 19, 2023

Many weekly assignments & the exams are difficult & timed. You will need to teach yourself everything through the Pearson program which you will need to purchase (textbook + exams, quizzes, hw are submitted there). No video lectures from professor and she is a hard grader on all other work (discussions, projects, etc.). This class drained me.

Tough grader
Lots of homework
Test heavy
5.0
1.0
MATH227
Grade: A
Aug 9, 2023
Would take again

Professor Yun was so helpful and supportive and I honestly don't understand why she has other negative reviews. I had an amazing experience taking her class!

Inspirational
Caring
1.0
5.0
MATHMATH
Grade: Drop/Withdrawal
Sep 26, 2023

Tests are nothing like homework and practice tests with lots of time consuming questions with minimal time. Assigns extensive discussion for a math class! Awful

Tough grader
1.0
5.0
227STATS
Grade: Drop/Withdrawal
Oct 8, 2023

The lectures were long and confusing as she did not break down how she found certain numbers in problems, the lectures were very fast-paced. If you are not already good at math, it is easy to get lost. I learned more from YouTube than from her classroom, When I tried emailing for help, she instructed me to find a tutor and seemed annoyed.

Tough grader
Lots of homework
Test heavy
5.0
4.0
227
Grade: B+
Oct 9, 2023
Would take again

Truly the best math teacher I've ever had. She's the only reason I passed math requirements for graduation. I took intermediate algebra and statistics with her. Unlike every other math teacher I've had, I learned the concepts in her class while taking notes, instead of taking notes all lecture then trying to teach myself the material later.

Participation matters
Amazing lectures
Caring
3.0
2.0
MATH240
Grade: A-
Oct 20, 2023
Would take again

LOTS of homework for an 8-week class which is expected. Be prepared to learn and take a unit exam almost every single week. If you plan on taking an 8-week, don't, unless you want up to 10 assignments per week. Homework, quizzes, and tests were easy and pretty similar to each other. There are also no recorded lectures so you have to learn alone.

Get ready to read
Lots of homework
Test heavy
5.0
3.0
MATH227
Grade: A
Feb 3, 2024
Would take again

5 week course - a lot of work. Watch the videos and do the homework. Downside is having to pay for Pearson. But you are allowed to use StatCrunch. Trust me take her! I had to repeat this course because I got a bad grade w/ a different professor. I earned an A! I am horrible at math. There are projects required. Answers messages fairly quick.

Lots of homework
Lecture heavy
Test heavy
5.0
3.0
227STATS
Grade: Not sure yet
Apr 30, 2024
Would take again

Lectures can be a bit long but they pack information which she does a good job explaining. Homework isn't much of a problem if you do pay attention as she explains each step. If you ask her a question she won't hesitate to maker sure you understand. Very nice and calm personality.

4.0
3.0
MATH260
Grade: B
Jun 10, 2024
Would take again

Professor Yoon Yun is a great Professor, she worked with me with my busy schedule for Exams and always replied quick to emails. Take her, she is good and If I can pass, you can too just do all the hw and try your best on the exams.

Lots of homework
Respected
Accessible outside class
1.0
5.0
MATH262
Grade: C-
Jun 11, 2024

Do yourself a favor and don't take her. Took her for math 262 and read her reviews for math 266 (renamed math 262) and should've listened. Exams are impossible given the short time she gives. Her standards/grading are unrealistic and harsh for someone that provides no lectures and help. Seriously the laziest professor I've seen.

Tough grader
Test heavy
1.0
5.0
MATH262
Aug 17, 2024

If she was the last calc 2 teacher in the world I would quit my major. She's the absolute worst professor I've had in my life. No lecture videos are provided, I survived by YouTube. Tests are incredibly difficult and no preparation is provided. Please I'm an A student and this was ridiculous. issue was the teacher NOT the subject.

Tough grader
Lecture heavy
Test heavy
4.0
4.0
MATH227
Grade: B
Aug 19, 2024

I took Math 227 asynchronous 5 week summer course. The course load was heavy 4-5 hours a day, the hard part is no prerecorded lectures and some of the YouTube videos for help were bad you must teach yourself . upside very understanding when I was sick allowing late work and is quick to respond to questions. wasn't the best class for how I learn.

Gives good feedback
Lots of homework
Caring
1.0
5.0
MATH262
Grade: C
Oct 21, 2024

Coming from someone who is an A student, do yourself the favor of not taking this class. Maybe another lower div math class but not calc 2. Takes points off test for minuscule errors despite not teaching herself or providing any guidance. Don't know anyone who got an A and if there was someone, they must've been perfect. RUN AWAY from this class.

Tough grader
Test heavy
2.0
4.0
MATH262
Grade: A
Dec 30, 2024

The professor is nice and will respond to your emails very quickly. She also gave me an A even though I had a B+ in Canvas. That's all that's good about this professor. Other than that, there's tons of homework and she doesn't give enough time on the tests. I've only finished 1 of the 4 tests in time. If you're bad with tests, take someone else.

Tough grader
Lots of homework
Test heavy
4.0
4.0
MATH227
Grade: B+
Jan 11, 2025
Would take again

Yun's class is a lot of work, but engaging with the Pearson materials and using tools like Unstuck ai can really help. Exams are tough, but she's supportive if you put in the effort.

1.0
5.0
MATH262
Grade: B
Jan 18, 2025

HORRIBLE, UNFAIR, genuinely does not know what she is teaching...

Tough grader
Test heavy
Graded by few things
5.0
3.0
MATH227
Grade: A+
Jun 2, 2025
Would take again

16-week in-person fall '24 class. Lots of hw, quizzes, few projects, and exams. If you want to pass, you need to actively pay attention/participate. Her lecture notes are quite useful and helpful, especially when studying for exams. My StatLab (a paid software where you do assignments) is used. Very patient/kind; makes stuff easy to understand.

Lots of homework
Lecture heavy
Accessible outside class
5.0
4.0
MATH262
Grade: B
Jun 26, 2025
Would take again

Professor Yun is a great Professor! I took her for Math 262 in Spring 2025, and she was so helpful whenever I got into contact with her. She usually replies within a day. The workload was heavy and the exams were challenging, but you should do well as long as you study and stay on top of your assignments.

Get ready to read
Gives good feedback
Lots of homework
5.0
3.0
STATS227
Grade: C
Jul 8, 2025
Would take again

It was a bit tough but if you need help Professor Yun will go over it and help you with the work along the way. She allowed cheat sheets in Chapter exams, textbook was online for a code so take her class if you are committed to stay. Overall nice, kind of challenging, and helpful. Liked her class; even had a pizza party at the end of the semester☆

Lots of homework
Hilarious
Caring
2.0
5.0
MATH227
Grade: C
Oct 29, 2025

I took her 8 week online math class and it was a lot. Lots of work. I didn't really know what I was doing. The textbook didn't really help.

Lots of homework
5.0
4.0
MATH227
Grade: B
Dec 16, 2025
Would take again

I took her class, and honestly, she's good. She's really flexible and supportive, always encouraging participation and questions to help you learn. The only real drawback is that she gets caught up in the lecture material and sometimes skips over how to actually use the software. Make sure you ask her questions about the software she uses.

Tough grader
Participation matters
EXTRA CREDIT
1.0
4.0
MATH262
Grade: Not sure yet
Dec 20, 2025

I wouldn't recommend this professor even if she was the last calculus teacher on earth. She doesn't teach material, there aren't any of her own lectures, and she doesn't even offer makeup on assignments. She takes forever to grade your exams so you don't really know how well you do on the test until well after the next exam. Avoid at all costs.

Lots of homework
Test heavy
Class Info

Online Classes

100%

Attendance Mandatory

55%

Textbook Required

58%

Grade Predictor

Your expected effort level

LowHigh

Predicted Grade

B+

95% confidence
Based on 52 grades
Most common grades:
B (16)
A (16)
C (8)
Grade Distribution
A(19)B(17)C(9)D(3)F(0)A-/B+(7)
Based on 66 reported grades
B: 16
A: 16
C: 8
Not sure yet: 6
Common Tags
Lots of homework (27)
Test heavy (26)
Caring (21)
Tough grader (21)
Clear grading criteria (15)
Gives good feedback (12)
Accessible outside class (8)
Lecture heavy (6)
Rating Trend

Declining

-0.70 avg change
Dec
Jan
Jun
Jul
Oct
Dec
Last 6 months
Ratings by Course

227

5.0

(3)

265

5.0

(1)

STATI207

5.0

(1)

MATH0332

5.0

(1)

MATH125

4.6

(11)
+17 more courses
Difficulty by Course

MATHMATH

5.0

MATH266

4.6

MATH262

4.6

MATH245

4.5

265

4.0

Similar Professors