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Algebra 2 Instructional Resources CRM 1
High School Mathematics Office of Academics Math Department
Topic: Absolute Value Equations and Inequalities TEKS
Exemplar
Lesson(s) Solutions to Absolute Value Equations and Inequalities (Standards: 6D and 6E)
2A.6D: formulate absolute value linear equations; 2A.6E: solve absolute value linear equations; 2A.6F: solve absolute value linear inequalities; 2A.7I: write the domain and range of a function in interval notation, inequalities, and set notation;
Textbook
Resources
Algebra 2 (McGraw Hill): Chapter 1: Lesson 1.4, 1.6 (algebraic solving) Chapter 2, Lesson 2.6 (some graphing)
iTutoring
Links
(User name: austinisd Password: math)
https://www.itutoring.com/video/lesson-12-solving-absolute-value-
equations
https://www.itutoring.com/video/lesson-14-solving-absolute-value-
inequalities
QR Codes
(Use QR codes on station activities, assignments, and website.)
Solving Absolute Value Solving Absolute Value
Equations Inequalities
Dynamic
Software
Geometer Sketchpad
Compound_Inequalities.gsp (1).gsp
(from Lesson 1.6)
GeoGebra Files
(GeoGebra works best in Firefox)
Absolute Value Equations
Solving Absolute Value Inequalities
Activities
(Amp It Up,
PBL, other
resources)
Amp It Up Activities: 2A.6D, 2A.6E, 2A.6F
Project Based Learning Resources
Anchors of
Support
SAT (PSAT) Reference Chart
Algebra II EOC Reference Chart
Algebra 2 Instructional Resources CRM 2
High School Mathematics Office of Academics Math Department
Topic: Absolute Value Functions TEKS
Exemplar
Lesson(s) Absolute Value Transformations 2A.2A, 2A.6C, 2A7I
2A.2A: graph the functions f(x)=√x, f(x)=1/x, f(x)=x3, f(x)= 3√x, f(x)=bx, f(x)=|x|, and f(x)=logb (x) where b is 2, 10, and e, and, when applicable, analyze the key attributes such as domain, range, intercepts, symmetries, asymptotic behavior, and maximum and minimum given an interval; 2A.6C: analyze the effect on the graphs of f(x) = |x| when f(x) is replaced by af(x), f(bx), f(x-c), and f(x) + d for specific positive and negative real values of a, b, c, and d; 2A.7I: write the domain and range of a function in interval notation, inequalities, and set notation
Textbook
Resources
Algebra 2 (McGraw Hill): Chapter 2: Lessons 2.5 (and Lab) 2.6 (and Lab), 2.7, 2.8
iTutoring
Links
Links
(User name: austinisd Password: math)
https://www.itutoring.com/video/lesson-13-graphing-absolute-value-
equations
QR Codes
(Use QR codes on station activities, assignments, and website.)
Graphing Absolute Value Equations
Dynamic
Software
Geometer Sketchpad GeoGebra Files
(GeoGebra works best in Firefox)
Absolute Value Function Transformations
Desmos
(Desmos works best in Firefox)
Absolute Value Transformationsy x k
Absolute Value Transformationsy x h
Absolute Value Transformations y a x
Activities
(Amp It Up,
PBL, other
resources)
Amp It Up Activities: 2A.6C
Project Based Learning Resources
Anchors of
Support
SAT Reference Chart
Algebra II EOC Reference Chart
Algebra 2 Instructional Resources CRM 2
High School Mathematics Office of Academics Math Department
Topic: Linear Regression TEKS
Exemplar
Lesson(s)
None (see performance tasks)
2A.8A: analyze data to select the appropriate model from among linear, quadratic, and exponential models; 2A.8B: use regression methods available through technology to write a linear function, a quadratic function, and an exponential function from a given set of data 2A.8C: predict and make decisions and critical judgments from a given set of data using linear, quadratic, and exponential models sequences, given the value of several
Textbook
Resources Algebra 2(McGraw Hill): Chapter 2: Lesson 2.5 & lab 2.5
iTutoring
Links
Links
(User name: austinisd Password: math)
https://www.itutoring.com/video/lesson-14-scatter-plot-and-correlation
https://www.itutoring.com/video/lesson-13-scatter-plots-and-lines-of-
best-fit
QR Codes
(Use QR codes on station activities, assignments, and website.)
Scatter plot and correlation Scatter Plots & Line of best fit
Dynamic
Software
Geometer Sketchpad
(Online Textbook Sketchpads have worksheets under the Resource
Section of the Text. Lessons are identified under each sketchpad.)
Lines_of_Fit_Present.gsp.gsp
GeoGebra Files
(GeoGebra works best in Firefox)
Regression Lab
Activities
(Amp It Up,
PBL, other
resources)
Amp It Up Activities: 2A.8B, 2A.8B
Project Based Learning Resources
Linear Regression Calculator Directions
Anchors of
Support
SAT Reference Chart
Algebra II EOC Reference Chart
Algebra 2 Instructional Resources CRM 3
High School Mathematics Office of Academics Math Department
Topic: Systems of Three Linear Equations TEKS
Exemplar
Lesson(s) Systems of Equations in 3 Variable (Standards: 3A, 3B)
2A.3A: formulate systems of equations, including systems consisting of three linear equations in three variables and systems consisting of two equations, the first linear and the second quadratic; 2A.3B: solve systems of three linear equations in three variables by using Gaussian elimination, technology with matrices, and substitution;
Textbook
Resources Algebra 2 (McGraw Hill): Chapter3: Lessons 3.1, 3.4, 3.7, 3.8, & lab 3.8
iTutoring
Links
Links
(User name: austinisd Password: math)
https://www.itutoring.com/video/lesson-1-solving-a-system-of-linear-
equations-by-graphing
https://www.itutoring.com/video/lesson-2-solving-a-system-of-linear-
equations-by-substitution
https://www.itutoring.com/video/lesson-4-solving-a-system-of-linear-
equations-by-elimination-by-multiplying-first
https://www.itutoring.com/video/lesson-11-solving-a-system-of-linear-
equations-with-three-variables
https://www.itutoring.com/video/lesson-8-applications-of-linear-
programming
https://www.itutoring.com/video/lesson-9-cramers-rule-for-three-
equations
QR Codes
(Use QR codes on station activities, assignments, and website.)
Solve Systems Solve Systems Solve Systems
by Graphing by Elimination by Elimination/Mult.
Solving a System of Application of Cramer’s Rule
linear equations with Linear Programming for 3 Equations
three variables
Algebra 2 Instructional Resources CRM 3
High School Mathematics Office of Academics Math Department
Dynamic
Software
Geometer Sketchpad
(Online Textbook Sketchpads have worksheets under the Resource
Section of the Text. Lessons are identified under each sketchpad.)
Solving_Systems.gsp.gsp
(Lesson 3.1)
Solving_Systems_Present.gsp.gsp
(Lesson 3.1)
GeoGebra Files
Activities
(Amp It Up,
PBL, other
resources)
Amp It Up Activities: 2A.3A & 2A.3B(NCTM), 2A.3B
Project Based Learning Resources
Anchors of
Support
SAT Reference Chart
Algebra II EOC Reference Chart
Algebra 2 Instructional Resources CRM 3
High School Mathematics Office of Academics Math Department
Topic: Systems of Two or More Inequalities TEKS
Exemplar
Lesson(s)
None
2A.3E: formulate systems of at least two linear inequalities in two variables; 2A.3F: solve systems of two or more linear inequalities in two variables; 2A.3G: determine possible solutions in the solution set of systems of two or more linear inequalities in two variables. 2A.7I: write the domain and range of a function in interval notation, inequalities, and set notation.
Textbook
Resources Algebra 2 (McGraw Hill): Chapter 2: Lessons 3.2, 3.3
iTutoring
Links
Links
(User name: austinisd Password: math)
https://www.itutoring.com/video/lesson-5-solving-a-system-of-linear-
inequalities-by-graphing
https://www.itutoring.com/video/lesson-6-solving-a-system-of-three-or-
more-linear-inequalities
QR Codes
(Use QR codes on station activities, assignments, and website.)
Solving Systems of Solving a System of three
Linear Inequalities or More linear Inequalities
Dynamic
Software
Geometer Sketchpad
(Online Textbook Sketchpads have worksheets under the Resource
Section of the Text. Lessons are identified under each sketchpad.)
GeoGebra Files
(GeoGebra works best in Firefox)
Linear Equations & Inequalities
Exploring Systems of Inequalities
Linear Programming Calculator Inequality_Tools.gsp.gsp
(Lesson 3.2)
Systems_of_Inequalities_Present.gsp (1).gsp
(Lesson 3.2)
Linear_Programming_Present.gsp.gsp
(Lesson 3.3)
Linear_Programming.gsp (1).gsp
(Lesson 3.3)
Activities
(Amp It Up,
PBL, other
resources)
Amp It Up Activities: none
Project Based Learning Resources
Algebra 2 Instructional Resources CRM 3
High School Mathematics Office of Academics Math Department
Anchors of
Support
SAT Reference Chart
Algebra II EOC Reference Chart
