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Area of Rectangles Instructional VideoArea of Rectangles Instructional Video
Publisher
Krista King Math
Resource Details
Curator Rating
Educator Rating
Not yet Rated
Grade
9th - 12th
Subjects
Math
1 more...
Resource Type
Instructional Videos
Media Length
8:48
Audiences
For Teacher Use
1 more...
Instructional Strategy
Direct Instruction
Technology
Video
Internet Access
Year
2014
Instructional Video

Area of Rectangles

Curated and Reviewed by Lesson Planet

A critical skill in mathematics is using formulas to solve problems. Learners see the area formula for rectangles applied to three different types of problems. The video instructor demonstrates problems represented with a diagram, coordinate plane, and in words.

3 Views 1 Download
CCSS: Adaptable

Concepts

area, area formulas, area of parallelograms, area of rectangles

Additional Tags

math

Instructional Ideas

  • Use the video to flip your classroom; assign the video as homework and use class time to practice problems
  • Create a guided notes document to record notes while watching the video

Classroom Considerations

  • YouTube video requires Internet access
  • This video is hosted on YouTube

Pros

  • Increases complexity by incorporating quadratic equations
  • Instructor explains the examples clearly and works through each step of the process

Cons

  • Does not incorporate context within the examples

Common Core

6.G.A.1

See similar resources:

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Get to the root of the problem with an instructive lesson! Learners find the roots of a function using the quadratic formula. A video shows the process and includes an explanation of the substitution steps. 
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A geometry video explains how to solve for midpoint, length of a line, and use the Pythagorean Theorem. It includes multiple guided practice problems for all three equations.
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Area and Perimeter of Rectangles: Lesson

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Around and in—take a different look at rectangles. A portion of a basic geometry playlist discusses the area and perimeters of rectangles. Using the formulas, the presentation works perimeter and area examples with rectangles and squares.
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How to Use the Quadratic Formula, Polynomial and Rational Functions, Algebra II

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It's the video your algebra class has been waiting for - Sal explains the quadratic formula! He describes it as "one of at least the top five most useful formulas in mathematics" and recommends that it be memorized, provided one also...
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Direct Variation (Distance = Rate x Time) Example

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Speed through a direct variation example. The presented problem uses a distance-rate-time problem as an example of a direct variation problem. Using the slope between two points of time and distance, the video shows learners how to...
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The instructor first identifies what formula to use to solve this word problem. Then she explains what each of the variables stands for and helps match up their given values in this word problem. There are many components to solving this...
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Lesson Plan

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Help learners understand the benefits of rearranging a formula. Scholars practice rearranging formulas for specific variables. They also analyze formulas to understand one variable's effect on the other. 
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