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24 resources with the keyterm area formula

Videos (Over 2 Million Educational Videos Available)
The Circulatory System Part 1: The Heart Video
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The Circulatory System Part 1: The Heart
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Three-Dimensional Coordinates and the...
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Other Resource Types ( 24 )
Lesson Planet

Study Jams! Area of a Triangle

For Students 4th - 6th Standards
Even though there is a wide variety of different triangles in the world, knowing a single equation allows us to find the area of each and every one of them. Follow along with this step-by-step presentation as Zoe clearly models how to...
Lesson Planet

Triangle Area

For Teachers 6th - 9th Standards
While the instructional activity focuses on right triangles, this activity offers a great way to practice the area of all triangles through an interactive webpage. The activity begins with the class taking a square paper and cutting in...
4:10
Lesson Planet

What is the Formula for the Area of a Rectangle?

For Teachers 6th - 8th
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.
1 In 1 Collection 4:19
Lesson Planet

How Do You Find the Area of a Trapezoid?

For Teachers 7th - 9th
Trapezoids can be tricky! Break down the process of finding the area of a trapezoid with an engaging math video. Learners explore area formula and shown exactly how to plug in information, solve, and simplify. 
2:56
Lesson Planet

How Do You Find the Area of a Rectangle?

For Teachers 4th - 7th
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.
3:36
Lesson Planet

Area of a Triangle - Geometry Help

For Teachers 4th - 7th
Do you know what A=1/2 bh means? If you don't this video on the area of a triangle is a must. It defines the formula needed to determine the area of a triangle, works through an example problem, and clearly explains the procedure.
4:55
Lesson Planet

How Do You Find the Area of a Trapezoid?

For Teachers 6th - 12th
Trapezoids can be tricky. Break down the process of finding the area of a trapezoid with this video! Viewers are given information about the area formula and shown exactly how to plug in information, solve, and simplify. This is a...
4:25
Lesson Planet

How Do You Solve a Word Problem by Subtracting and Multiplying Polynomials?

For Teachers 6th - 12th
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.
Lesson Planet

Recognize Area as Additive - Matching Worksheet

For Students 4th - 6th
Wow, that's a big pencil box! Scholars measure the area of a 15-foot pencil box among other measurement word problems. For each, they evaluate the information given to figure the area, which is sometimes not the end-all answer they are...
Lesson Planet

Area of Rectangles in Word Problems - Matching Worksheet

For Teachers 3rd - 5th Standards
Using just the measurements of ten rectangles, scholars match them to their calculated areas. Each of these is measured in feet, so the areas are labeled with square feet. The lengths and widths here are double and triple-digit whole...
Lesson Planet

Area of Rectangles and Squares

For Teachers 3rd - 4th Standards
Find the area; scholars examine nine images of squares and rectangles with width, length, and units provided for each. They multiply double-digit numbers to find the area, writing it into the box provided. Because square units are...
Lesson Planet

Measure Area by Counting Units - Step-by-Step Lesson

For Teachers 3rd - 5th Standards
What is the area? Because there is only one problem here with a detailed explanation below, consider projecting this as an all-class warm up. Learners examine a rectangle split into 12 squares. They know that each unit is three...
Lesson Planet

It's So Formulaic - Enrichment 21.7

For Students 6th - 10th
Fifteen formulas for area, surface area, perimeter, circumference, and volume can be matched with descriptions of their uses: "the amount of soup inside a can," "the distance around a pizza," "the amount of air inside an ice cream cone,"...
3:13
Lesson Planet

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

For Teachers 6th - 7th
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.
1:27
Lesson Planet

How Do You Find the Area of a Rectangle Whose Sides are a Monomial and a Polynomial?

For Teachers 7th - 9th
Yes, it's a real-world word problem, but it's as easy as multiplying a monomial and a polynomial. Then all you have to do is to make sure you write it in simplest form.
0:02
Lesson Planet

How Do You Find the Area of a Rectangle Whose Sides are a Monomial and a Polynomial?

For Teachers 6th - 12th
Yes, it's a real-world word problem, but it's as easy as multiplying a monomial and a polynomial. Then all you have to do is to make sure you write it in simplest form.
4:03
Lesson Planet

How Do You Solve a Word Problem by Multiplying Trinomials?

For Teachers 6th - 12th
Use the distributive property to multiply these two trinomials. Then combine all the like terms and make sure to write them in descending order by degrees.
Lesson Planet

Using Tiling to Find Area

For Students 3rd - 4th
There is only one area calculation problem here, and the explanation is detailed below; consider projecting this as an all-class warm up. Scholars assess a rectangle with given length and width, calculating its area. Next, they break it...
Lesson Planet

Area of a Triangle: Formula

For Teachers 3rd - 4th
Determine the area of a triangle using the formula 1/2L x H. The formula is shown then demonstrated on both regular and irregular triangles. There are five practice problems included.
Lesson Planet

Area and Perimeter of Regular Polygons - An Extension

For Teachers 9th - 12th Standards
Pupils explore the relationship between area and perimeter of polygons.They measure the area and perimeter of regular polygons inscribed in a circle. Learners then discuss how as the number of sides of a regular polygon increase, the...
Lesson Planet

Finding Patterns in Tiles

For Teachers 6th - 8th
Middle schoolers explore perimeter and area of rectangles. In this rectangular lesson, students use tiles to discover the formulas for perimeter and area. Middle schoolers solve for area.
Lesson Planet

Problem-Solving Application: Use Formulas: Practice

For Students 4th - 5th
In this formula learning exercise, students read the word problems and then use the formulas for area and volume to solve the problems.
Lesson Planet

Tukutuku Patterns

For Teachers 4th - 5th
Students complete a series of lessons involving Tukutuku patterns, their rotations and area formulae. They determine the algebraic formulae for sequences. They use images as they work through the lessons to find the number of crosses in...
Lesson Planet

Finding Area

For Teachers 7th
Seventh graders explore the concept of area. In this area activity, 7th graders determine what measurements are necessary to find the area of a rectangle and circle. Students use area formulas to calculate area or rectangles and circles.