Curated OER
How Do You Find the Volume of a Rectangular Prism?
Do you know the formula needed to determine the area of a rectangular prism? If you don't it's ok, because this video will refresh your memory, then help you use the formula to find the volume of a rectangular prism. Algebra is used to...
Curated OER
How Do You Find the Length of a Rectangle if You Know its Width and Area?
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.
Curated OER
Area of Circles
Using a basic formula one can find the area of a circle. Duane walks learners through the steps needed to determine the missing variable, plug in the known variable, and solve to find the area of a circle. He provides two different...
MinutePhysics
Is it Better to Walk or Run in the Rain?
No umbrella? No jacket? No problem! Physics scholars learn the mathematical advantage to running in the rain. The narrator illustrates the factors of top rain and side rain and how position and speed influence these factors.
PBS
Pbs Learning Media: Real Life Math: Woodworker
Listen to a master craftsman explain many of the ways that mathematics is used in woodworking, including number operations; geometry; ratios and proportions; and measurement. In the accompanying activity, students will draw a scale...
Sophia Learning
Sophia: Coordinate Geometry of Rectangles
Coordinate geometry of rectangles is investigated in this video lesson. The tutorial demonstrates how to use the midpoint, distance, and slope formulas to determine if a quadrilateral is a rectangle on a coordinate plane. [17:26]
National Science Foundation
National Science Foundation: Science of Nhl Hockey: Hockey Geometry & Science
This 10-part video series explores the science and math behind professional hockey.
Planet Nutshell
Planet Nutshell: Math Shorts: Pythagorean Theorem
Planet Nutshell Math Shorts provide animated videos that explain various math topics. On this site students learn about the pythagorean theorem.
Khan Academy
Khan Academy: Geometry: Ca Geometry: Pythagorean Theorem, Compass Constructions
This video tutorial demonstrates solutions to problems #51-55 of the California Geometry released state test questions. Problems address proving and using the Pythagorean theorem and compass constructions. [12:35]
Khan Academy
Khan Academy: Geometry: Ca Geometry: Compass Construction
Demonstrates solutions to problems #56-60 of the California Geometry released state test questions. Problems address compass constructions, slope of perpendicular lines, and using the distance formula. [12:49]
Khan Academy
Khan Academy: Geometry: Euclid as the Father of Geometry
Introduction to Euclid, Euclid's Elements, and Euclidean geometry. [8:23]
Khan Academy
Khan Academy: Geometry: Ca Geometry: Deducing Angle Measures
Demonstrates how to solve five different problems from a released California Geometry state test that involve finding the measures of angles in different polygons. This video also appears in the Geometry: Worked Examples section. [10:58]
Khan Academy
Khan Academy: Geometry: Ca Geometry: Secants and Translations
Demonstrates solutions to problems #76-80 of California Geometry released state test questions. Problems address tangents to circles, secants to circles, intercepted arcs, translations on the coordinate plane, and rotations on the...
Khan Academy
Khan Academy: Geometry: Ca Geometry: Similar Triangles 1
This video tutorial [12:55] demonstrates solutions to problems #10-14 of California Geometry released state test questions. Problems address understanding of counterexamples, properties of quadrilateral diagonals, and similar triangles.
Khan Academy
Khan Academy: Geometry: Ca Geometry: Triangles and Parallelograms
In this video lesson [11:14], the instructor demonstrates solutions to problems #21-25 of California Geometry released state test questions. Problems address understanding of the triangle inequality theorem, angle relationships with...
Khan Academy
Khan Academy: Geometry: Language and Notation of Basic Geometry
Explains terms and notation of basic elements of geometry. [12:57]
Khan Academy
Khan Academy: Geometry: Ca Geometry: Exterior Angles
Demonstrates solutions to problems #41-45 of California Geometry released state test questions. Problems address finding volumes of rectangular prisms, exterior angles, interior angle sum, and exterior angle sum. [10:53]
Khan Academy
Khan Academy: Geometry: Ca Geometry: Proof by Contradiction
Demonstrates solutions to problems #4-6 of California Geometry released state test questions. Problems address understanding of proof by contradiction and proving triangles congruent. [11:56]
Khan Academy
Khan Academy: Geometry: Ca Geometry: Pythagorean Theorem, Area
Demonstrates solutions to problems #36-40 of California Geometry released state test questions. Problems address understanding of area and knowledge of the area formulas for trapezoids, squares, parallelograms, and triangles. [10:44]
Khan Academy
Khan Academy: Geometry: Ca Geometry: Circle Area Chords Tangent
Demonstrates solutions to problems #71-75 of California Geometry released state test questions. Problems address Pythagorean theorem, 45-45-90 triangles, 30-60-90 triangles, circumscribed polygons, area, chord length, tangents to circles...
Khan Academy
Khan Academy: Geometry: Ca Geometry: More on Congruent and Similar Triangles
Demonstrates solutions to problems #17-20 of California Geometry released state test questions. Problems address understanding of similar triangles, parallelograms and properties of the diagonals of parallelograms. [11:11]
Khan Academy
Khan Academy: Geometry: Ca Geometry: Deductive Reasoning
Demonstrates solutions to problems #1-3 of California Geometry released state test questions. Problems address understanding of deductive reasoning and congruent angles created by parallel lines cut by a transversal. [10:17]
Khan Academy
Khan Academy: Geometry: Ca Geometry: Area, Circumference, Volume
Demonstrates solutions to problems #31-35 of California Geometry released state test questions. Problems address understanding of perimeter, volume, surface area, area, and Pythagorean theorem. [10:53]
Khan Academy
Khan Academy: Geometry: Ca Geometry: More Trig
The video tutorial [12:21] demonstrates solutions to problems #66-70 of California Geometry released state test questions. Problems address basic trigonometry ratios, 30-60-90 triangles.
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