Curated OER
How Do You Find the Area of a Rectangle Whose Sides are Binomials?
The teachers uses a diagram to set up her initial equation to reflect the changes being made to a garden plot. She has a good explanation of how she got her equation. Then she works through the steps to solve the equation.
Curated OER
How Do You Solve a Word Problem by Subtracting Polynomials?
It's not a complicated word problem, but the picture frame just gives the problem a little context. So you are trying to find the difference, which means subtraction. The instructor reviews how to distribute the negative sign to the...
Curated OER
How Do You Figure Out the Price of a Discounted Item?
Trying to figure out how much something costs that is discounted? There are a few steps to get your answer so follow along and watch as the instructor takes you through the process.
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...
Virtual Nerd
How Do You Use Unit Rates to Compare Rates?
Cupcakes, cupcakes, cupcakes! Where shall we buy some cupcakes? There are two stores selling cupcakes and we would like to know which one has the better deal. The instructor demonstrates how to find a unit rate for the cupcakes at each...
Curated OER
How Do You Solve a Word Problem by Taking a Monomial to a Power?
You've got a cube and a monomial for the length of a side, how do you find the volume? Oh, and the monomial expression has exponents. Just use the formula for finding the volume of a cube and use the properties of powers to multiply the...
Curated OER
How Do You Solve a Word Problem By Writing an Inequality?
An inequality in a word problem? And there's a fraction too?! As if word problems weren't hard enough! You can do this, just follow along as the instructor explains each step in solving this word problem.
Curated OER
How Do You Solve a Word Problem Where You Multiply Fractions and Work Backwards?
Could anyone really eat 15 feet of a sub sandwich in one day? That's how much this math problem says he ate. He actually started out with a bigger sub sandwich. How big was it to start? The instructor uses a table to illustrate how you...
Curated OER
How Do You Figure Out a Percent of Change?
First identify the parts of the word problem. Next identify the variable, decide what formula to use, figure out the quantities, insert the quantities into the equation, and now solve. There are many parts to solving this word problem so...
Virtual Nerd
How Do You Solve a Word Problem Using Ratios?
The teacher demonstrates how to set up a word problem into a ratio of fractions. There are many ways to solve this equivalent ratios problem and the instructor chooses to find a multiplier to find the missing value.
Curated OER
How Do You Solve a Word Problem by Subtracting and Multiplying Polynomials?
Apply the distributive property to multiply a monomial times a polynomial to get the area of a rectangle. Then use this information to solve a word problem.
Curated OER
How Do You Find the Slope of a Ramp If You Know the Rise and Run?
Do you know the formula for 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.
Virtual Nerd
How Do You Find the Intersection of Percent Data by Using a Venn Diagram?
When you first read this word problem it seems pretty daunting. The instructor explains how to identify the variables, how to convert percentage to whole numbers, and how to set up the problem and solve it. She uses a Venn diagram as a...
Curated OER
How Do You Find a Number of Combinations Using the Fundamental Counting Principle?
What is the Fundamental Counting Principle? Have you ever come across word problems that give you a bunch of options and you are asked to figure out the number of possible combinations? Well, if you know how to use the Fundamental...
Curated OER
How Do You Find the Probability of a Simple Event?
A bag contains marbles of different colors. You put your hand in the bag to grab a marble. What are your chances of picking a given color? Learn how to set up this probability word problem and then solve it.
Curated OER
How Do You Write the Equation of a Line in Slope-Intercept Form from a Word Problem?
There will be two variables in this equation since a straight line means a linear equation. Writing the equation in slope-intercept form means there is an x-value and a y-value. So let's watch this video and see what it takes to use the...
Curated OER
How Do You Use a Tree Diagram to Count the Number of Outcomes in a Sample Space?
Deciding what to wear can be difficult, but it helps if you know your options. Use a tree diagram to solve word problems like the one in this video! Class members can watch and learn how to find and count possible outcomes (or outfits)....
Curated OER
How Do You Figure Out Whether a Percent of Change is an Increase or a Decrease?
Another word problem to figure out. Well, first off you are trying to figure out the percent of something and this means your formula will be a proportional equivalent. Once you have the known terms in the correct places you can figure...
Curated OER
How Do You Solve a Word Problem Using Ratios?
The teacher demonstrates how to set up a word problem into a proportion. There are many ways to solve this equivalent ratios problem and the instructor chooses to find a multiplier to find the missing value.
Curated OER
What are Rates and Unit Rates?
Rate is really a ratio of given quantities that you are comparing that have different units. A unit rate is a rate that has a denominator of one. The teacher gives a couple of examples for each term, rate and unit rate.
Curated OER
How Do You Determine Whether Values in a Table are Proportional?
Here's a real-world problem to figure out. Are the gardens all similarly proportional in the number of vegetable plants to the number of flowers? The instructor sets up a table of the values of each garden. She then writes each set as a...
Curated OER
How Do You Solve a Word Problem Using an Exponential Function?
In six days Tina gets exponentially better at the number of times she can jump rope. Let's create an equation and see how many times Tina can jump rope on the sixth day. First identify the variables. Next make a table, then plug in the...
Curated OER
How Do You Figure Out Sales Tax?
Sales tax always increases the price of your purchases. How can you figure out how much you'll be paying in full? Teach your class how to figure out their total cost, including sales tax, with this video. Using an example of a pair of...
Curated OER
How Do You Write and Use a Prediction Equation?
Goodness! There are a lot of steps in getting to the final solution in this word problem. Watch this video and follow along as the instructor explains each and every step. There's a scatter plot, a line of fit, writing an equation based...