National Council of Teachers of Mathematics
The Math Forum: Famous Problems in the History of Mathematics
On this site, there are several math problems to explore and solve. Look through some solutions by famous mathematicians and expand your thinking about some interesting math concepts. Teachers of elementary grades may want to use this...
Cool Math
Coolmath: Cramer's Rule for 3x3's
Use this tutorial to learn how Cramer's Rule works for 3 x 3.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Ecuaciones Y Sistemas De Ecuaciones
In Spanish. Practice how to solve system of equations graphically with this interactive activity.
CK-12 Foundation
Ck 12: Algebra: Zero, Negative, and Fractional Exponents
[Free Registration/Login may be required to access all resource tools.] This lesson covers how to simplify negative and zero exponents.
CK-12 Foundation
Ck 12: Algebra: Comparing Equations of Parallel and Perpendicular Lines
[Free Registration/Login may be required to access all resource tools.] Use their slopes to determine if two lines are parallel or perpendicular.
Khan Academy
Khan Academy: Interpret Equations Graphically
Practice the connection between the graphical representation of equations and their algebraic solutions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
TeachEngineering
Teach Engineering: Hybrid Vehicle Design Challenge
This module is written for a first-year algebra-based physics class, though it could easily be modified for conceptual physics. It is intended to provide hands-on activities to teach the overarching concept of energy, as it relates to...
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.
Texas Instruments
Texas Instruments: Calculus Mini Labs With the Ti 89 and the Ti 92 Plus
In this Computer Algebra System (CAS) activity, students learn to store calculation steps in the text editor of the calculator as a script file. This file is later accessed, modified, and used to solve other similar problems.
Texas Instruments
Texas Instruments: Trivialization and Dynamisation
This activity will illustrate how classic exercises from elementary vector geometry can be solved using the Computer Algebra System CAS tool.
Texas Instruments
Texas Instruments: Matrices and Linear Equations
This Computer Algebra System (CAS) activity encourages students to investigate addition, subtraction, and multiplication of matrices. They find the inverse of a matrix. Students also solve a set of linear equations by using matrices.
Texas Instruments
Texas Instruments: Use of Cas in Teaching Differential Calculus by First Princip
This Computer Algebra System (CAS) activity encourages students to investigate the use of CAS to solve functions using derivatives and appropriate formulas.
Texas Instruments
Texas Instruments: Slope Fields and Euler's Method for Ap Calculus
In this activity students use Computer Algebra System (CAS) to solve differential equations using Euler's method, Runge Kutta method, and other built-in methods.
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.