Curated OER
How Do You Find the Slope of a Ramp If You Know the Rise and Run?
Given a line, do you know how to find the slope? Yes, rise over run. Then all you have to do is plug in the given values and solve for the slope of the ramp.
Amoeba Sisters
Alleles and Genes
How do organisms end up with such a wide variety of traits? It's in their genes! Kick off your inherited traits lesson using a brief video that covers alleles and genes. The narrator describes heterozygous and homozygous genotypes, how...
Curated OER
How Do You Convert a Quadratic from Standard Form to Vertex Form by Completing the Square if a1?
Starting with a quadratic equation in standard form, the instructor shows you how to rewrite the equation to vertex form. She shows step-by-step how to complete the square.
JFR Science
Ionic Compounds and Bonds: Why Does Salt Melt Ice?
These atoms don't believe in sharing. Introduce intrepid chemists to ionic boding using an engaging JFR Science video. Topics include ionic compounds, how the bonds form, and properties of ionic salts.
Curated OER
How Do You Write an Equation of the Line in Slope-Intercept Form If You Have a Graph?
An equation can be gotten from the graph of a line. Yes, it can. Watch this video and follow the instructor as she goes step-by-step explaining and illustrating how to get an equation from information from the graph of a line.
Curated OER
How Do You Solve a Multi-Step Equation Using Order of Operations in Reverse?
Solve an equation that has both variables and fractions. Use the rules of equality to add, subtract, multiply, and divide to isolate the variable and find your answer. Don't forget to plug your answer into the original problem to verify.
Curated OER
How Do You Write an Equation of a Line in Slope-Intercept Form If You Have One Point and a Parallel Line?
This may seem like a complicated problem, finding an equation that is parallel to the given equation and passing through a given point, and writing it in slope-intercept form, but it's really not. It's just a matter of rearranging...
Curated OER
How Do You Convert a Mixed Expression To a Rational Expression?
Given a monomial and a polynomial, rewrite the expression as a rational number. This is not as confusing as you might think. First is to make the monomial a rational number by giving it a denominator. Once that is done, numbers can be...
Curated OER
How Do You Solve a Word Problem Using the Elimination by Subtraction Method?
Use word problems to teach systems of equations! The instructor in this video demonstrates how to solve a word problem using a system of equations and the elimination by subtraction method. She goes through each step, carefully...
Curated OER
How Do You Factor the Greatest Common Factor out of a Polynomial?
There are four terms in this polynomial. Find the greatest common factor. Remember to prime factor the number values to help find the GFC. Then rewrite the polynomial in simplest form. Not sure about this skill, then watch the instructor...
Curated OER
How Do You Figure Out the Sign of a Product or Quotient?
There are many ways to determine the sign of products and quotients of numbers that are multiplied or divided. Watch this video as the instructor illustrates a few ways to determine and check whether the solution is positive or negative.
Curated OER
How Do You Find the Rate of Change Between Two Points in a Table?
Given a table of values, find the rate of change. First, set up the given table, and identify the values that will be used to calculate the change. Of course, there is a formula. So use the formula to solve the problem. Still confused?...