MTH05: Elementary Algebra

A32 (46058)

Tuesdays and Thursdays: 10:00 am - 11:50 am at Brown Annex 207
Fridays: 10: 00 am - 11:50am at CPH 320
 

 

Date Materials HW assignment
03/28
BA 207
Test 2
see more details in Tests and Final Exam
 
03/24
CP 320
Preparing for Test 2 (Sample Test 2 at WeBWork)
see more details in Tests and Final Exam
 
03/23
BA 207
topics:
Section 4.6 Graphing linear inequalities in two variables

Here are some videos for refreshing your memory/review:
Introduction to graphing linear inequalities in two variables (<=):
https://www.khanacademy.org/math/algebra-basics/core-algebra-graphing-lines-slope/core-algebra-graphing-linear-inequalities/v/graphing-inequalities
Example 2 (<):
https://www.khanacademy.org/math/algebra-basics/core-algebra-graphing-lines-slope/core-algebra-graphing-linear-inequalities/v/graphing-linear-inequalities-in-two-variables-example-2
Example 3 (<):
https://www.khanacademy.org/math/algebra-basics/core-algebra-graphing-lines-slope/core-algebra-graphing-linear-inequalities/v/graphing-inequalities-2
HW 19-Linear Inequalities in Two Variables
(due date: 03/31)

at WeBWork
03/21
BA 207
topic: Section 4.7 Systems of linear equations HW 21-Solving Systems of Linear Equations
(due date: 03/31)

at WeBWork
03/17
CP 320
working on homeworks  
03/16
BA 207
topics:
Section 4.5 Equations of lines (few more examples),
Section 4.7 Systems of linear equations (solving by graphing)

The Midterm Grade will be comprised of:
Homeworks (1-18): 40%
Test 1 score: 60%

Here are some nice videos and interactive practice that cover today's material:
Solving systems of linear equations by graphing:
lecture (9 mins):
https://www.khanacademy.org/math/algebra-basics/core-algebra-systems/core-algebra-systems-tutorial/v/solving-linear-systems-by-graphing
practice:
https://www.khanacademy.org/math/algebra-basics/core-algebra-systems/core-algebra-systems-tutorial/e/graphing_systems_of_equations

HW 20-Graphing Systems of Linear Equations
(due date: 03/24)

at WeBWork
03/14
BA 207
no class, college was closed due to the snow storm  
03/10
CP 320
working on homeworks  
03/09
BA 207
topics:
Section 4.5 Equations of lines (continues)



HW 18-Lines-Equations,
(due date: 03/17)

at WeBWork
03/07
BA 207
topics:
Section 4.4 The slope of a line
Section 4.5 Equations of lines (will not finish)



HW 17-Lines - Slope (due date: 03/14) (due date changed to 03/17)

at WeBWork
03/03
CP 320
finishing up Test 1, working on homeworks  
03/02
BA 207
topics:
Section 4.2 The cartesian coordinate system
Section 4.3 Graphing linear equations

Online resources:
1) Cartesian coordinate system
2) graphing video example 1 (pick a value for one variable, find another one)
3) graphing video example 2 (intercepts method)
4) graphing video example 3 (slope-intercept method)

Preliminary date for Test 2 is Tuesday, 03/21

HW 15-The Cartisian Coordinate System,
HW 16-Lines-Graphing

(due date: 03/10)

at WeBWork
02/28
BA 207
Test 1
see more details in Tests and Final Exam
 
02/24
CP 320
Review - Sample Test 1
see more details in Tests and Final Exam
 
02/23
BA 207
topics:
Section 4.1 Linear equations in two variables

Online resources:
1) Two-variable linear equations intro (see also a bunch of other video examples and practice in the left menu)
HW 14-Two Variable Equations
(due date: 03/03)

at WeBWork
02/21
BA 207
topics: 3.3 Literal Equations,
3.4 Linear Inequalities in One Variable

Online resources:
1) one video example, then you can see Practice option in the left menu.
2) manipulating formulas (and more in the left menu)
3) One-variable linear inequalities (a bunch of video examples and practice)

All the material we covered so far will be on Test 1, which will be on Tuesday, 02/28
Pactice/review will be on Friday, 02/24
More information about Test 1 can be found here
HW 10-Formulas,
HW 13-Solving Linear Inequalities

(due date: 02/26)

at WeBWork
02/17
CP 320
working on Homeworks 5 (due tonight), 6, 7 (due 02/21), and 9 (due 02/24)  
02/16
BA 207
topic: 3.1 Solving Linear Equations

Online resource:
There is a bunch of videos and practices for this here: Algebra I: one variable linear equations.
HW09-Solving Linear Equations
(due date: 09/24) at WeBWork
02/14
BA 207
topics: Sections 3.2.1 Transition to Algebra,
2.2 Evaluating algebraic expressions

Online resources:
1) Writing basic expressions with variables (video example)
2) Writing basic expressions with variables (summary, not a video)
3) Writing basic expressions with variables (guided practice)
4) Writing expressions with variables (another bunch of video examples)
5) Writing expressions with variables (guided practice)
6) Writing expressions with variables & parentheses (video example)

There will be no classes on Monday, Februrary 13th (Lincoln's Birthday),
and Wednesday, February 15th will run on Wednesday's schedule.

HW 06-Transition to Algebra,
HW 07-Evaluating Algebraic Expressions (due date: 02/21) at WeBWork
02/10
CP 320
topics: Sections 1.4.1-1.4.2 (ignore radicals for now) Exponents and Radicals, and
2.1 Order of operations

Online resources:
1) Intro to order of operations (video, 9:39 mins)
2) Order of operations (video example)
3) Order of operations 2 (video example)
4) Order of operations (guided practice)


There will be no classes on Monday, Februrary 13th (Lincoln's Birthday)
 
HW 05-Exponents and Order of Operations (due date: 21/17)

at WeBWork

 
02/09 classes were cancelled due to snow storm  
02/07 topics: 1.2 Addition and Subtraction of Real Numbers,
1.3 Multiplying and Dividing Real Numbers

Online resources:
1) Intro to negative numbers (video, 9:35 mins)
2) Intro to negative numbers (guided practice)
3) Adding/subtracting negative numbers (video, 9:15 mins)
4) Adding negative numbers example (video example)
5) Adding numbers with different signs (video example)
6) Adding negative numbers (guided practice)
7) Subtracting a negative = adding a positive (video, 1:32 mins)
8) Subtracting negative numbers (guided practice)
9) Negative number word problem: temperatures (video example)
10) Multiplying positive & negative numbers (video, 5:43 mins)
11) Multiplying numbers with different signs (video example)
12) Dividing positive and negative numbers (video, 4:51)
13) Multiplying and dividing negative numbers (rules, video, 8:29 mins)
14) Multiplying & dividing negative numbers (guided practice)
HW 02-Real Numbers-Introduction,
HW 03-Real Numbers-Adding and Subtracting ,
HW 04-Real Numbers-Multiplying and Dividing
(due date: 02/14)
at WeBWork

 
02/03
CP320
topics:1.1 Review of Fractions (finishing up)
HW 01-Review of Fractions
(due date: Friday, 02/10)
at WeBWork
02/02 topics: 1.1 Review of Fractions

Online resources:
1) Adding and subtracting fractions with unlike denominators, adding and subtracting mixed numbers: start with this video and go over other videos and guided practice (marked with the star) - you will see the menu on the left.
2) Multiplying fractions (video example)
3) Multiplying fractions (guided practice)
4) Multiplying fractions and whole numbers (video example)
5) Multiplying fractions and mixed numbers (video example)
6) Multiplying fractions and mixed numbers (guided practice)
7) Dividing fractions by fractions 1 (video example)
8) Dividing fractions by fractions 2 (video example)
9) Dividing fractions by fractions (guided exercise)
10) Simplifying fractions (guided practice)
11) LCD (bunch of videos, starting with this one)
12) Comparing fractions (start with this one and proceed further)
13) Adding and subtracting mixed number with unlike denominators: start with this video, then proceed further
14) Multiplying mixed numbers (video example)
15) Multiplying mixed numbers (guided practice)
HW 01-Review of Fractions
(due date: Friday, 02/10)
at WeBWork
01/31
Welcome to the 1st day of classes!!!

here is the MTH01 review sheet we went over today: MTH01 review
answers: AnswersToMth01Review

link to our Textbook: textbook
no HW assignment yet, but please visit our WeBWork system.