Nature of Mathematics, MATH 120, Matthew Weathers
Problem 5b - Egyptian Multiplication
Problem 9 - Using Pythagorean Theorem (ladder & building).
Problem 15 - Determining if an argument is valid or invalid
Primes Proof - A proof that the number of primes is infinite.
Chapter 7 Lecture - All 35 minutes, in case you missed it.
Study Guide for Test 1 - A description of what kinds of problems will be on the test, plus a review of some examples.
Several Videos - Showing how to do various problems in Chapter 10.
Ch10_11_Examples.pdf - A PDF file with a copy of some problems from Chapters 10 and 11. These are "Screen Notes" - problems I did in class on the screen.
Ch10_11_Worksheet_Answers_v3.pdf - A PDF file with the answers to a worksheet we did in class.
Chapter 11 - Converting
Converting a Mayan common number to Base 10
Chapter 11 - Mayan Solar Numbers
Converting Base 10 to Mayan solar
Chapter 11 - Addition of Mayan numbers
Chapter 11 - Using a Calculator
Extra: Division on a calculator (&Outtakes)
Chapter 11 Online Lecture - most of the lecture for Chapter 11 in several video segments.
Chapter 13 - Exponents
Study Guide for Test 2 - A description of what kinds of problems will be on the test, plus a review of some examples. Chapters 8 to 13.
Basic Algebra Strategy - for solving for X
Counting Bills - Like Problems 23-28
Antifreeze Problem - Like Problems 17 and 18
Problem 21 - Class Grades
Problem 2b - Distance to sun
Problem 4b - Average speed of rock falling
Problem 7d - How fast is a rock falling?
Slope - Determining the slope of a line from a graph
Writing Equation - Writing equations of lines from a graph
Graphing a line - Drawing a graph from an equation
Perpendicular Line - Equation of a perpendicular line
Study Guide for Test 3 - Chapters 14 to 20
Answers to Review Questions: Test3_Study_Answers.pdf
Study Day Questions: Test3_Study_Answers.pdf
Note:You can ignore Chapter 20 - you will not be tested on that chapter.