Other
Hsor.org: Pizza Pi: Work Force
High School Operations Research Math Modules - Applied Mathematics for decision making in industry and government
Other
Hsor.org: Latisha Develops an Investment Plan: Decision Variables
Latisha is trying to decide on an investment plan that will make the most money, help her determine the best plan.
Cool Math
Coolmath: Cramer's Rule for 3x3's
Use this tutorial to learn how Cramer's Rule works for 3 x 3.
Math Medics
S.o.s. Math: Application of Determinant to Systems: Cramer's Rule
This lesson explains how the determinant is used for Cramer's Rule.
TeachEngineering
Teach Engineering: The Balancing Act
Students are given the opportunity to visualize and interact with concepts they have already learned, specifically algebraic equations and solving for unknown variables. Students construct a balancing seesaw system (LEGO Balance Scale)...
Texas Instruments
Texas Instruments: Matrices Using Cas
This Computer Algebra System (CAS) activity encourages students to perform basic arithmetic operations on matrices, and solving a set of equations using CAS.
CK-12 Foundation
Ck 12: Introduction to Matrices: Matrices to Represent Data
[Free Registration/Login may be required to access all resource tools.] This lesson defines, organizes, and compares matrices. Includes examples, video, and review problems.
Alabama Learning Exchange
Alex: Imaginary Numbers? What Do You Mean Imaginary?
Is it any wonder that learners are suspicious? We lead, sometimes drag, them through Algebra I insisting they must follow the order of operations. We make them learn the "hard way" of doing an assignment one day only to show them the...
Wolfram Research
Wolfram Math World: Line
This MathWorld site gives Euclid's definition of a line, properties of lines, common terminology, and algebraic representations of lines and their distinctive parts in a cartesian system. The site then goes into detail of different line...
Texas Instruments
Texas Instruments: Elimination
This activity uses geometric examples to illustrate the method of elimination to obtain a Cartesian equation using the Computer Algebra System CAS tool.
Khan Academy
Khan Academy: Age Word Problems
In this exercise, students practice age word problems. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.