Curated OER
System of Equations for Passing Trains Problem
Here is a challenging motion problem about two different length trains and how long it takes them to pass each other going in the same direction and opposite directions. At first glance, there doesnÕt seem to be enough information given...
Khan Academy
Overtaking Word Problem
These types of problems cause many people to be distressed over algebra. In this video, Sal looks at a problem where three people, each at set distances apart, are traveling at different constant speeds. We need to know how long it will...
Mathispower4u
Solve a Coin Problem Using an Equation in One Variable
How much is that jingling worth? Given information on the relative number of nickels and quarters, along with their total value, scholars learn to set up and solve a linear equation to find the actual number of each type of coin. A short...
Calculus Expert
Equation Modeling
Do your learners tend to skip the word problems? Use a video to increase their confidence. It walks them through a volume/cost problem and writing the model in terms of just one variable.
Curated OER
How Do You Solve and Graph Inequalities from a Word Problem?
Are you befuddled after reading this word problem? Not only is it a word problem but there are two variables, and not only does it have two variables, but it is an inequality. Don't pull your hair out! Take a deep breath and watch this...
Krista King Math
Turning Word Problems Into Equations
Time to test your scholars' listening skills! Demonstrate how to write equations from verbal sentences. After introducing key terms, the instructor completes two examples and then explains how to turn words into operations to write the...
Khan Academy
Khan Academy: Linear Equation Work Problems
In this video lesson students learn to translate a word problem into a linear equation and then solve that equation.
Sophia Learning
Sophia: Weighted Average and Uniform Motion Problems
This lesson will demonstrate how to solve uniform motions problems using weighted averages. Students can watch a video tutorial and then take an online quiz.
Sophia Learning
Sophia: Weighted Average and Uniform Motion Problems
This lesson will demonstrate how to solve uniform motions problems using weighted averages. Student can watch a video tutorial and then take an online quiz.
Khan Academy
Khan Academy: Inequalities: Inequalities Using Multiplication and Division
Inequalities Using Multiplication and Division
Sophia Learning
Sophia: Relating Absolute Value Inequalities to Compound Inequalities
Here we look at how to relate absolute value inequalities to compound inequalities.
Sophia Learning
Sophia: Applications of Compound Inequalities
Here we look at how to relate compound inequalities to real world problems.
Sophia Learning
Sophia: Weighted Average
This lesson will introduce the meaning of weighted average, and demonstrate how to solve for the weighted average of a data set. Student watch a video tutorial and then can take an online quiz.
Sophia Learning
Sophia: Writing Equations From Graphical Information
This lesson demonstrates how to write an equation from graphical information.
Sophia Learning
Sophia: Writing Equations From Graphical Information
This lesson demonstrates how to write an equation from graphical information.
Sophia Learning
Sophia: Writing Equations From Verbal Information.
This lesson demonstrates how to write an equation from verbal information without variables.
Sophia Learning
Sophia: Writing and Solving Percent Equations
This lesson will demonstrate how set-up and solve percent equations for the percent, the part, or the whole.