Oswego City School District
Regents Exam Prep Center: Solving Systems Using Addition or Subtraction
Three examples are used to demonstrate solving a system of linear equations algebraically using addition and subtraction. The examples cover different situations that occur with the coefficients of the variable terms. Includes several...
Texas Education Agency
Texas Gateway: Predicting, Finding, and Justifying Solutions to Problems
Given application problems, the student will use appropriate tables, graphs, and algebraic equations to find and justify solutions to problems.
Oswego City School District
Regents Prep: Applications of Trigonometric Graphs
Students can use this site to practice questions dealing with trigonometric graphs. Students are challenged with multiple real-world problems and after solving those problems they can check their solution online.
Texas Education Agency
Texas Gateway: Graphing Dilations, Reflections, and Translations
Given a coordinate plane, the student will graph dilations, reflections, and translations, and use those graphs to solve problems.
Indiana University
Indiana University: Area 10 Mathematics and Technology: Graphing Ratios
Activities to explore writing ratios, graphing ratios and using ratios to solve problems. Both a teacher and student guide are included.
Physics Aviary
Physics Aviary: Graphing Motion Problem Level 3
Find the displacement of an object just by looking at the velocity vs. time graph. This graph will have at least one negative region and one positive region.
Physics Aviary
Physics Aviary: Practice Problems: Finding Speed From Work Graph
Students must determine the speed of a hockey puck based on a graph of force vs. displacement.
University of Auckland School of Computer Science
Morris: Graphs
A description of the graph data structure and how it is used to solve certain types of problems.
Other
Geeks for Geeks: Graph Coloring|set 2 (Greedy Algorithm)
Graph coloring is widely used. Unfortunately, there is no efficient algorithm available for coloring a graph with a minimum number of colors as the problem is a known NP-Complete problem. There are approximate algorithms to solve the...
Concord Consortium
Concord Consortium: Quadratic Word Problems Part 1
Students solve two problems involving the motion of projectile objects, modeled using quadratic equations. They then graph parabolas and use the graphs to answer questions about projectile objects, and identify the maximum heights of the...
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...
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Rational Inequalities
Use this tutorial to learn how to solve rational inequalities by using a sign graph of factors and by using the test-point method. Offers a good collection of step-by-stem solutions and practice problems for you to complete.
Lawrence Hall of Science
The Math Page: Topics in Pre Calculus: Quadratics
Here is a site that clearly and thoroughly explains quadratic functions, including graphing functions and solving equations using factoring. There are example problems solved, problems for the student to attempt, and answers to the...
Other
Milwaukee Art Museum: Design a New Product
Teams of students work cooperatively to choose the ten greatest inventions from a list of likely candidates and compile the list in a graph. Teams of students work cooperatively to design, invent, and build a model of something new,...
Oswego City School District
Regents Exam Prep Center: Systems of Linear Inequalities
Solving a system of linear inequalities is shown to be as easy as solving a system of linear equations! An example is explained before students are given several problems to complete on their own. Complete explanations of these are...
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Quadratic Inequalities
Using this tutorial, you'll learn two methods of solving quadratic inequalities: using a sign graph of factors and using the test-point method. Offers step-by-step written examples, and practice problems for you to complete.
Khan Academy
Khan Academy: Parallel & Perpendicular Lines From Equation
Use your knowledge about the slopes of parallel and perpendicular lines to solve some problems. For example, what's the equation of the lineperpendicular to y=3x-3 and passes through the point (-8, -2).
PBS
Pbs Learning Media: Everyday Algebra Plus: Targeted Math Instruction
Algebra lesson focuses on using patterns and relationships to write equations with two variables to represent relationships and patterns in real-world problems, plotting ordered pairs on a coordinate grid, and interpreting the meaning of...
NC State University
North Carolina State University: Spreadsheets in Science
Intriguing lesson from North Carolina State University using a spreadsheet to solve real world science problems. Contains downloadable files for student activities.