Instructional Video1:57
Curated OER

How Do You Solve a Word Problem by Subtracting Polynomials?

7th - 10th
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...
Instructional Video2:38
Curated OER

How Do You Find the Volume of a Box Whose Sides are Monomials?

6th - 12th
Length times width times height. Yes, the formula for the volume of a rectangular shape. But the values are monomials. Use the knowledge you have to multiply the monomials and then write it in simplest form.
Instructional Video2:33
Curated OER

How Do You Solve a Word Problem by Subtracting Polynomials?

6th - 12th
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...
Instructional Video5:13
Curated OER

How Do You Find the Perimeter of a Rectangle?

6th - 12th
The teacher illustrates a diagram to help you learn about perimeter. First she adds the sides together to get the perimeter. Then she shows how to use the perimeter formula to make it a bit simpler.
Instructional Video4:46
Curated OER

What is the Formula for the Area of a Rectangle?

6th - 12th
Area=Length x Width. Locate the value of the length of the rectangle and locate the given width and plug them in to solve. Don't forget to include the units and multiply them too.
Instructional Video3:32
Virtual Nerd

How Do You Find the Area of a Rectangle?

3rd - 6th Standards
Area=length x width. Locate the value of the length of the rectangle and locate the given width and plug them in to solve. Don't forget to include the units and multiply them too. This three-minute video can be watched at home to review...
Instructional Video3:46
Curated OER

How Do You Find the Length of a Rectangle if You Know its Width and Area?

6th - 12th
Learn how to use the formula for area to solve a problem about a rectangle. The demonstrator shows how to plug in the known values of a rectangle, and then how to use the formula for area to solve for the variable in question.
Instructional Video3:36
Curated OER

What's the Formula for the Perimeter of a Rectangle?

6th - 12th
Discover how to find the algebraic formula for the perimeter of a rectangle through this tutorial. Your algebra learners will be guided towards the thinking steps around this concept. After showing the video, invite your class to model...
Instructional Video6:25
Curated OER

How Do You Find the Lateral and Surface Areas of a Rectangular Prism?

6th - 12th
What are lateral faces? How do you find the area of all the lateral faces? What to do with the perimeter of the base? Then what do you do with those values? You use it to help determine the total lateral area of a rectangle. Yes, more...
Instructional Video5:37
Curated OER

How Do You Find the Width of a Rectangle if You Know its Length and Perimeter?

6th - 9th
Use the formula for the perimeter of a rectangle to find the value of the width. Plug the given values of the perimeter and the length into the formula and solve. It is as easy as it looks.
Instructional Video2:02
Curated OER

How Do You Find the Volume of a Box Whose Sides are Monomials?

8th - 11th
Length times width times height. Yes, the formula for the volume of a rectangular shape. But the values are monomials. Use the knowledge you have to multiply the monomials and then write it in simplest form.