MATH 145: Information about the Midterm Test
When: October 15 (Monday), 7:00–9:00 pm.
Where: MC 1056 (last names A-Q) and MC 4060 (last names R-Z)
What to bring: The midterm will be closed book. No calculators will be permitted (or needed). You
are permitted to bring one small-sized stuﬀed animal to the examination room.
Syllabus: The midterm test will cover all material discussed in class up to, but not including, the
Chinese Remainder Theorem. The corresponding material in the course text is Chapter I (Sections 1-8)
and Chapter II (Sections 1-4, 6, 7); you are not responsible for material in the textbook that was not
covered in class.
Lecture on October 15: is cancelled. I will take questions in my oﬃce from 12:00-4:25 pm.
Assignment #3: Assignment #3 is due on October 10 (Wednesday) and will be returned to you in
the tutorial on October 15 (Monday). Solutions will be posted on the course web site by 2:00 pm on
Midterm questions: You may be asked to state some deﬁnitions (e.g. deﬁne what it means for two
integers to be congruent modulo n), to state a theorem (e.g. Fermat’s little theorem, but not theorems
such as the Green-Tao theorem whose proofs we did not do in class), or to prove a theorem covered in
class (e.g. prove Euclid’s theorem that there are inﬁnitely many primes). You will be asked to prove
or disprove some new statements, and to perform some calculations (e.g. ﬁnding gcds, solving linear
diophantine equations, solving linear congruences, etc.). The Math 145 midterm fro