
Exams & Grading
You can access your current grades for Astronomy 307 on
eGradebook.
Semester Totals were calculated according to the following formula (also see the syllabus):
(1) take the sum of the exam scores, divide by 300 and multiply by 75; (2) add the best five homework
scores, divide by 100 and multiply by 15; and (3) add the participation total (up to 10 points), which was based
on the index cards, star parties, and Mather essay. On this scale, a perfect score would be 100.
The Table below gives the letter equivalents for various numerical scores, including for the Semester Totals;
however, grades above 87.00 but less than 88.00 will be rounded up to an A, grades above 75.00 but less than
76.00 will be rounded to a B, etc.
Grade Curve for Exam 1
Score Range

Letter Grade

Fraction of Class

88  100

A

33%

76  87

B

40%

60  75

C

18%

50  59

D

6%

< 50

F

3%

Exam Study Guides
Study Guide for Exam 2 (
pdf
)
Study Guide for Exam 3 (
pdf
)
Frequently Missed Questions on Exams
FMQs  Exam 1 (
pdf
)
FMQs  Exam 2 (
pdf
)
FMQs  Exam 3 (
pdf
)
FMQs  Final Exam (
pdf
)
