Andrew Sack

I'm Andrew, a second year math graduate student. This quarter I'm a teaching assistant for Math 31B and Math 115AH.

Contact Information:

Email:
Office: MS 3975
Office Hours: 115A: Tuesdays 3-4
31B: Thursdays 11-12
Open Hours: Fridays 11-12

Teaching:

Winter 2021

Math 115AH Linear Algebra

Notes from Week 2 Tuesday

Notes from Week 1 Tuesday

I wrote up examples of various proofs and proof techniques so you can get a feel for what a proof should look like. Here it is. (PDF 141KB)

Fall 2020

Math 115A Linear Algebra

I wrote up examples of various proofs and proof techniques so you can get a feel for what a proof should look like. Here it is. (PDF 141KB)

Notes from Week 3 Thursday

Notes from Week 3 Tuesday

Notes from Week 2 Tuesday

Notes from Week 1 Thursday

Notes from Week 1 Tuesday

Fall 2019

Math 61 Discrete Structures

I wrote up examples of various proofs and proof techniques so you can get a feel for what a proof should look like. Here it is. (PDF 141KB)

Week 2 Worksheet (PDF 83KB)

Week 2 Worksheet Answers (PDF 96KB)

Week 3 Worksheet (PDF 44KB)

Week 3 Worksheet Answers (PDF 106KB)