Professor Dave Explains
Three-Dimensional Shapes Part 1: Types, Calculating Surface Area
How to calculate surface area.
Curated Video
Can You Solve A REALLY HARD 8th Grade Math Problem From Russia?
This challenging problem was given to 8th graders in Russia, but it stumped me! The question was presented as text only--no diagram. Also, the problem was part of an entrance exam for a selective high school. Can you solve it? From each...
Brian McLogan
Master Finding the Area and Perimeter of a rectangle given four points
Master Finding the Area and Perimeter of a rectangle given four points
Let's Tute
Midpoint Theorem
In this session we will learn the Midpoint Theorem with the help of 3 steps
Curated Video
Finding the Area of a Triangle
New ReviewThis video explains how to find the area of a triangle when we are given the lengths of the base and vertical height. We also explain how the formula works. Practice questions and answers are at the end of the video.
Let's Tute
Mastering Quadrilaterals: Solving Missing Angles Game
This video shows how a student named Jack solved a math game called "Missing Angles" at a unique math fair. The game involves finding the right values for angles in different shapes of quadrilaterals, and Jack used basic knowledge of the...
Let's Tute
Quadrilateral Theorem - part 2
Here You'll learn theorems on Rectangle & Rhombus Diagonals of Rectangle are congruent and that of rhombus are perpendicular bisectors and theirs converse as well
Brian McLogan
How to determine the height of a trapezoid when given the area and bases
👉 Learn how to find the area and perimeter of trapezoids. A trapezoid is a quadrilateral with one pair of parallel sides. The area of a shape is the measure of the portion enclosed by the shape while the perimeter of a shape is the...
Curated Video
Classifying Polygons Based on Parallel Lines
Classifying polygons based on the presence or absence of parallel lines.
Curated Video
Symmetrical and Non Symmetrical Shapes
Distinguish symmetrical and non-symmetrical figures.
Brian McLogan
How to find the missing angle of a kite
👉 Learn how to solve problems with kites. A kite is a four-sided shape (quadrilateral) with two equal pairs of adjacent sides and the diagonals are perpendicular. Some of the properties of kites are: each pair of adjacent sides are...
Math Fortress
Calculus III: Two Dimensional Vectors (Level 1 of 13)
This video is a review of Two Dimensional Vectors. This video goes over the basic concepts and terminology of vectors in a plane. Topics include: Vectors, Magnitude of a Vector, Equivalent Vectors, and Vector Notation. This video also...
Brian McLogan
How to find the area of a trapezoid using the formula
👉 Learn how to find the area and perimeter of trapezoids. A trapezoid is a quadrilateral with one pair of parallel sides. The area of a shape is the measure of the portion enclosed by the shape while the perimeter of a shape is the...
Let's Tute
Some Stupid Math Mistakes #05
Want to know why do we lose marks in maths exam? and where do we go wrong in math calculations ? Watch this video to find out !
Let's Tute
Perimeter
n this video we will learn how to recognize a quadrilateral as trapezium & kite based on their properties
Let's Tute
Some Stupid Math Mistakes: Properties of Diagonals
In this session, we will learn the properties of quadrilaterals, as well as the properties of diagonals in different types of quadrilaterals.
CK-12 Foundation
Area of a Parallelogram: Lesson
Sliding over a corner makes a rectangle. The resource demonstrates why the formula of the area of a parallelogram works. As part of a larger playlist on basic geometry, the video works examples dealing with parallelogram areas.
Curated OER
Area of a Parallelogram - Geometry Help
Work the problem shown in this video to learn how to determine the area of a parallelogram. Basic algebra, area, and the Pythagorean Theorem are used to find the missing value and solve the problem of area.
CK-12 Foundation
Classifying Parallelograms: Lesson
Properly organize parallelograms. Given special parallelograms, the narrator of a short video explains the properties of each. The section of a playlist on geometry uses the properties to classify the special parallelograms.
CK-12 Foundation
Proving a Quadrilateral Is a Parallelogram: Lesson
If it has the properties of a parallelogram, it must be a parallelogram. A segment of a playlist on geometry presents the converses of the properties of a parallelogram. Given a quadrilateral with specific characteristics, the video...
CK-12 Foundation
Parallelograms: Lesson
Properties spawn from parallel sides. With the aid of diagrams, the presentation shows the different properties of parallelograms. The segment of an extensive geometry playlist lists the properties that using the parallel sides of a...
Curated OER
What is the Formula for the Area of a Parallelogram?
So you are trying to tell me that a parallelogram is a rectangle in disguise? Wow! And I can use a similar formula of the area of a rectangle to find the area of a parallelogram? Wow! Ok, show me how! A=bh. So simple really.
Brightstorm
Area of Parallelograms
Make math easier by showing the class that even formulas can be parallel — just explore the area of a parallelogram. Learners discover how to create a rectangle from a parallelogram, then make the connection that the same formula applies.
Flipped Math
Parallelogram Properties
Provide pupils with problems on applying properties of parallelograms. The second of seven installments in the Geometry - Quadrilaterals and Polygons unit focuses on parallelograms. Viewers of the instructional video learn about the...