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Corey Manchester
Professor in the Mathematics department
at Grossmont College, El Cajon, CA
are you Corey Manchester?
Overall Quality
4.6
Average Grade
B+
Hotness
Helpfulness
4.7
Clarity
4.6
Easiness
3.3
Helpfulness
0
Clarity
0
Easiness
0
Top 20 Tags for this Professor

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135 Student Ratings
Rating Class Comment
07/15/2014
good
5 Helpfulness
5 Clarity
4 Easiness
math90 Taken for Credit:N/A Attendance: N/A Textbook Use: Essential to passing Rater Interest: Meh Grade Received: N/A

I struggle in math, in every sense of the word and Mr.Manchester is the most helpful teacher I have ever had. He is comfortable in all math styles so whatever technique you use, he will validate. Easy going and much recommended!

07/08/2014
good
5 Helpfulness
5 Clarity
5 Easiness
math90 Taken for Credit:N/A Attendance: N/A Textbook Use: Essential to passing Rater Interest: It's my life Grade Received: N/A

He is the greatest math teacher.

06/25/2014
good
5 Helpfulness
5 Clarity
3 Easiness
MATH 180 Taken for Credit:N/A Attendance: Not Mandatory Textbook Use: What textbook? Rater Interest: It's my life Grade Received: A-

Fantastic teacher. Show up to class and pay attention. You will get out what you put in. If you don't know the things from pre cal that you should know, you will struggle. Most people who struggled in my class were asking questions that weren't related to Calc 1. Math builds on itself so know what you should before you come into this class.

06/13/2014
good
5 Helpfulness
5 Clarity
5 Easiness
MATH180 Taken for Credit:N/A Attendance: Not Mandatory Textbook Use: Essential to passing Rater Interest: It's my life Grade Received: B

Best math teacher I've ever had. I've never been confident with it until I met Corey. He expects you to know your algebraic rules and "tricks" and to apply your knowledge so don't expect him to feed you like a baby bird. If you're going to major in a science, he is a generous grader/tester and is super helpful and clear. Take his class.

03/28/2014
good
5 Helpfulness
5 Clarity
3 Easiness
Math 176 Taken for Credit:N/A Attendance: N/A Textbook Use: It's a must have Rater Interest: It's my life Grade Received: N/A

Corey Manchester is one of the BEST math professors anyone can take hands down. He keeps math interesting and he actually knows what he is talking about. Great professor very helpful one slight issue with this course is the homework is online without textbook but the way Corey teaches, the homework isn't that bad. Highly recommend taking his course

02/07/2014
good
5 Helpfulness
5 Clarity
4 Easiness
Math 176 Taken for Credit:N/A Attendance: N/A Textbook Use: What textbook? Rater Interest: Meh Grade Received: N/A

Great teacher. Very clear instruction. Lots of whiteboard notes and useful lecture. Very well structured and informative. Highly recommend.

01/31/2014
good
4 Helpfulness
5 Clarity
2 Easiness
MATH 180 Taken for Credit:N/A Attendance: N/A Textbook Use: What textbook? Rater Interest: Really into it Grade Received: N/A

He is a math genius but not a very good professor. I just hated the way he teaches. He skips a lot of steps which is extremely confusing. Likes to trick students on tests. Overall not that hard but I was misguided with the previous reviews.

12/27/2013
good
4 Helpfulness
4 Clarity
3 Easiness
MATH 110 Taken for Credit:N/A Attendance: Not Mandatory Textbook Use: What textbook? Rater Interest: Sorta interested Grade Received: N/A

Makes the class interesting and fun. One of the best!!!

12/15/2013
good
5 Helpfulness
5 Clarity
5 Easiness
MATH176 Taken for Credit:N/A Attendance: N/A Textbook Use: What textbook? Rater Interest: It's my life Grade Received: N/A

Best teacher I've ever had. I've never been a math mind and have always been afraid of it. He breaks it down to its core elements and gives you the most basic and thorough understanding of these concepts. He's a complete geek for math and you will be too after taking one of his classes. Fantastic teacher. Do yourself a favor and take his class.

11/25/2013
good
5 Helpfulness
4 Clarity
3 Easiness
Math 176 Taken for Credit:N/A Attendance: N/A Textbook Use: What textbook? Rater Interest: Sorta interested Grade Received: N/A

This class is challenging, you must put effort into understanding the material and passing the tests. Corey is very easy going, easy to understand and a complete nerd. This is not an easy class but completely manageable if you complete all homework.

11/23/2013
good
5 Helpfulness
5 Clarity
3 Easiness
Math 110 Taken for Credit:N/A Attendance: N/A Textbook Use: Essential to passing Rater Interest: Low Grade Received: N/A

He's a great prof and really passionate about what he teaches. He believes that you'll use math in everything in your life, which is hilarious as an English major, but it's amazing that he really loves to teach, unlike a lot of the professors at Grossmont.

11/20/2013
good
5 Helpfulness
5 Clarity
4 Easiness
Math 280 Taken for Credit:N/A Attendance: N/A Textbook Use: Barely cracked it open Rater Interest: It's my life Grade Received: N/A

Corey is probably one of the best math professors on campus. He's passionate about math and always willing to stay behind so you understand the material. He will give out exam reviews before each exam. His exams are tough but fair. Make sure to attend class because you don't want to miss anything. If you have the chance take one of his classes.

11/13/2013
good
5 Helpfulness
4 Clarity
2 Easiness
Math 180 Taken for Credit:N/A Attendance: N/A Textbook Use: What textbook? Rater Interest: Low Grade Received: N/A

I had him for Calc knowing it was going to be a hard class and it was. But he made it so much better. You can tell that he LOVES math, and he is so excited to teach it to students everyday. I don't like math, but it was my favorite class because he was so passionate about it and made it fun! Use study groups, they help a lot. Definitely Fav teacher

07/15/2013
good
5 Helpfulness
5 Clarity
4 Easiness
Calc I and II Taken for Credit:N/A Attendance: N/A Textbook Use: It's a must have Rater Interest: Really into it Grade Received: N/A

Corey (goes by his first name) is an amazing math teacher. I struggled in Pre-Cal and aced both his Calc I and Calc II class because of how well he taught it. He used to allow notes on tests but I'm not sure if he is allowed to anymore. He keeps you interested in the subject and if you just listen and do the homework you will do really well!

07/03/2013
good
5 Helpfulness
3 Clarity
3 Easiness
MATH180 Taken for Credit:N/A Attendance: N/A Textbook Use: What textbook? Rater Interest: Sorta interested Grade Received: N/A

Corey's a great teacher however he doesn't really help out the slower students. He doesn't finish problems because he expects you to be right there with him. Tests were *not* similar to homework or in class material and he expects you to read his mind and already know what's going on. I did all the homework and worked in the math lab everyday for hours and barely passed with a C. I'm gonna try Curtis out for Calc 2 at cuyamaca and see how that goes. Good luck

06/14/2013
poor
1 Helpfulness
1 Clarity
1 Easiness
Math 160 Taken for Credit:N/A Attendance: N/A Textbook Use: What textbook? Rater Interest: Really into it Grade Received: N/A

HORRIBLE TEACHER!

06/06/2013
good
4 Helpfulness
4 Clarity
3 Easiness
Math 180 Taken for Credit:N/A Attendance: N/A Textbook Use: What textbook? Rater Interest: Low Grade Received: N/A

Corey, is great professor, he is very funny and will make this class interesting. Now the negatives, some of the material is difficult and needs quite a bit of attention on your own. the test can be difficult at times, the problems that he uses to teach us can be rather difficult. But overall if your a quick learner take him, you'll love the class

06/01/2013
poor
2 Helpfulness
1 Clarity
3 Easiness
Math160 Taken for Credit:N/A Attendance: N/A Textbook Use: Barely cracked it open Rater Interest: Really into it Grade Received: N/A

Hardest teacher ever!! I took stats with him and I got so lost. You need the online text ( the only reason I passed). He tries so hard to help you get it, but kind of makes you feel stupid if you don't. Study groups are key! The best part of the class?? He's freaking SEXY and fun to look at. if math isn't your best subject, DONT take him.

05/31/2013
good
5 Helpfulness
5 Clarity
4 Easiness
MATH 119 Taken for Credit:N/A Attendance: N/A Textbook Use: You need it sometimes Rater Interest: Sorta interested Grade Received: N/A

Freakin' awesome professor! I called him a math nerd, and asked him to give real life examples of how to use stats functions, and he took it all in stride and acquiesced. The man is brilliant and some students (especially those just wanting to get a grade and not learn) might find him a bit hard to understand, but he takes more than ample time.

05/21/2013
good
5 Helpfulness
4 Clarity
3 Easiness
Math 160 Taken for Credit:N/A Attendance: N/A Textbook Use: What textbook? Rater Interest: Sorta interested Grade Received: N/A

Corey is a really cool guy. In class i understood everything he was saying perfectly, however at home it was a whole nother story. His study guides are also not similar to his tests at times. He is a committed teacher and you can tell he cares about the students in his class. He makes you put your fair share in. Great guy. Good teacher. Recommend.

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