Flipped Math
Unit 9 Review: Area of Polygons
It's time to show what you know! Individuals first review finding the area of polygons using the formulas from parallelograms to regular polygons. They then brush up on finding the area and circumference of circles, as well as reviewing...
Flipped Math
Parallelograms and Triangles
Expand area problems to incorporate prior knowledge. Pupils begin by reviewing the formulas for finding the area of parallelograms and triangles. The scholars apply previous learning of trigonometric ratios and the Pythagorean Theorem to...
PBS
Graffiti Art: Supplies
Just how much spray paint does a mural require? Using proportions, graffiti artists determine the amount of supplies needed to complete a mural. The creative resource shows how to determine the area of composite figures and uses that...
Corbett Maths
Area of a Parallelogram
Find the area of a rectangle, square, parallelogram, and rhombus by multiplying the base by the height. A well-designed lesson has scholars first view a video showing examples of finding the area of a parallelogram before practicing...
CK-12 Foundation
Area and Perimeter of Triangles: Lesson
Go from a parallelogram to a triangle. A segment of an extensive playlist on basic geometry shows the derivation of the formula for the area of a triangle. The resource works examples that require finding a missing side or height to...
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.
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.
Krista King Math
Area of Rectangles Using Sums and Differences
Use the formula for the area of a rectangle for more than just rectangles! Scholars see that they can use common area formulas to find the area of irregular shapes.
Krista King Math
Area of Parallelograms
Ensure a solid understanding of the components of a parallelogram. The instructor highlights the key concepts when determining the area of a parallelogram. He presents the formula used for parallelograms as images and as...
Krista King Math
Area of Rectangles
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,...
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...
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.