MATH
21 B
Mathematics Math21b Fall 2007
Linear Algebra and Differential Equations
Exams
Course Head: Yum-Tong Siu
Office: SciCtr 511


First Mid-Term, October 24 (Wed), 7-8:30 p.m., Jefferson 256
 
Click to download Review for First Mid-Term
 
 
Click to download Practice Examination One for First Mid-Term

SOLUTION
 
 
Click to download Practice Examination Two for First Mid-Term

SOLUTION
 

 
SOLUTION OF FIRST MID-TERM
 
MEAN = 69.6    MEDIAN = 69.5
 

Distribution of Scores of the First Mid-term
Each column represents the score of one paper
(Number of columns = 48    Max possible score = 100)

Second Mid-Term, November 28 (Wed), 7-8:30 p.m., Science Center Hall A
 
Click to download Review for Second Mid-Term
 
 
Click to download Practice Examination One for Second Mid-Term

SOLUTION
 
 
Click to download Practice Examination Two for Second Mid-Term

SOLUTION
 
 
Click to download Practice Examination Three for Second Mid-Term

SOLUTION
 

 
SOLUTION OF SECOND MID-TERM
 
MEAN = 66.4    MEDIAN = 68
 

Distribution of Scores of the Second Mid-term
Each column represents the score of one paper
(Number of columns = 48    Max possible score = 100)

Final Examination, January 17 (Thursday), 2:15 p.m., Harvard 104
Review Session for Final Examination, January 11 (Friday), 3 p.m., Science Center 507
 
Click to download Review Material for Final Exam
 
 
Click to download Practice Examination One for Final

SOLUTION
 
 
Click to download Practice Examination Two for Final

SOLUTION
 
 
Click to download Practice Examination Three for Final

SOLUTION
 

 
SOLUTION OF FINAL EXAM
 
MEAN = 89.54    MEDIAN = 88
 

Distribution of Scores of the Final Exam
Each column represents the score of one paper
(Number of columns = 46    Max possible score = 140)

Please send questions and comments to math21b@fas.harvard.edu
Math21b | Yum-Tong Siu | Fall 2007 | Department of Mathematics | Faculty of Art and Sciences | Harvard University