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174 resources with the concept area of triangles

Videos (Over 2 Million Educational Videos Available)
The Circulatory System Part 1: The Heart Video
8:55
The Circulatory System Part 1: The Heart
Prepositional Phrases for Kids | English Grammar Video Video
11:22
Prepositional Phrases for Kids | English...
Three-Dimensional Coordinates and the Right-Hand Rule Video
6:09
Three-Dimensional Coordinates and the...
Other Resource Types ( 174 )
12 Items in Collection
Lesson Planet

Math Antics Geometry Video Lessons

For Teachers 4th - 8th Standards
The point of this collection of 12 videos is to introduce learners to three basic parts of geometry—points, lines, and planes. The presenter provides definitions, shows how to classify shapes, provides examples, and shows how to use...
EngageNY

EngageNY Geometry Module 4: Connecting Algebra and Geometry Through Coordinates

For Teachers 9th - 12th Standards
Teach young mathematicians how to use coordinate geometry to program a robot that is bound in the room in which it sits . Help comes in the form of the 15 lessons in  the Module 4: Connecting Algebra and Geometry through Coordinates...
EngageNY

EngageNY Geometry Module 3: Extending to Three Dimensions

For Teachers 9th - 12th Standards
Building on the understanding of congruence studied in Module 1 and on similarity studied in Module 2, the 14 lessons  in the Module 3 collection focus on developing a bridge  from geometric measurement in two dimensions to understanding...
EngageNY

EngageNY Geometry Module 2: Similarity, Proof, and Trigonometry

For Teachers 9th - 12th Standards
The Geometry Module 2: Similarity, Proof, and Trigonometry collection includes 36 lessons that are divided into five topics: Scale Drawings, Dilations, Similarity and Dilations, Applying Similarity to Right Triangles, and Trigonometry....
EngageNY

EngageNY Precalculus and Advanced Topics Module 4: Trigonometry

For Teachers 11th - 12th Standards
Introduce advanced math students to the power of trigonometry! The 14 lessons in the Module 4 collection are divided into three topics: Trigonometric Functions, Trigonometry and Triangles, and Inverse Trigonometric Functions. Each lesson...
EngageNY

EngageNY Grade 7 Math Module 3: Expressions and Equations

For Teachers 7th Standards
A math module challenges young mathematicians to generate equivalent expressions.  Scholars demonstrate how order or grouping does not affect the practice of addition and multiplication. By the end of the module, learners recognize and...
22 Items in Collection
Lesson Planet

EngageNY Grade 6 Math Module 5: Area, Surface Area, and Volume Problems

For Teachers 6th Standards
Scholars take part in 20 lessons covering math concepts—area, surface area, and volume. Learning opportunities enforce knowledge of measurement and geometric shapes. A mid-unit exam challenges pupils to demonstrate what they know this...
Lesson Planet

CK-12 Middle School Math Concepts - Grade 6

For Students 6th Standards
Twelve chapters cover a multitude of math concepts found in the Common Core standards for sixth grade. Each title provides a brief explanation of what you will find inside the chapter—concepts from which you can click on and learn more...
Lesson Planet

Rectangulating

For Students 9th - 12th Standards
Use rectangles to find distances. Given a rectangle and three associated triangles, pupils determine the area of the triangles. Scholars know the three triangles have equal areas along with the perimeter of the rectangle and two other...
Lesson Planet

Painted Stage

For Students 11th - 12th Standards
Find the area as it slides. Pupils derive an equation to find the painted area of a section of a trapezoidal-shaped stage The section depends upon the sliding distance the edge of the painted section is from a vertex of the trapezoid....
Lesson Planet

Smarter Balanced Sample Items: 6th Grade Math – Target H

For Teachers 6th Standards
Knowing the surface area certainly helps when deciding how much paint to buy before a project. Scholars solve for surface area, as well as volume and area, as part of the presentation from Grade 6 Claim 1 Item Slide Shows. Geometric...
14:56
Lesson Planet

Area under a Graph

For Students 8th - 12th Standards
What? The calculation of area is a linear distance? A short video shows how to use the areas of simple polygons to estimate the area under a graph. Pupils divide the area under a curve into figures to easier calculate the area. Given...
Lesson Planet

Surface Area

For Students 7th - 10th Standards
Surface area is the sum of the parts. Given the measurements of different prisms, pupils determine their surface areas. Individuals find the area of each surface and figure out the surface area by finding the sum. The video, part of a...
6:29
Lesson Planet

Pythagoras Rectangles and Isosceles Triangles

For Students 7th - 12th Standards
When does the Pythagorean Theorem come in handy? An intriguing video uses the Pythagorean Theorem to solve problems other than simply finding the length of a side of a right triangle. Pupils find the diagonal of a rectangle and the...
Lesson Planet

Strings and Areas

For Students 9th - 11th Standards
You'd be surprised what you can do with a string! The constraint is the length of string, and the task is to maximize area. Given a series of composite shapes, learners must create a formula for the maximum area for a specified...
Lesson Planet

Triangle Area Patterns

For Teachers 8th - 10th Standards
Combine algebraic and geometric strategies to find solutions. The task asks learners to find the coordinates of a third vertex of a triangle to create a triangle with a specific area. The project is a set of seven problems that helps...
Lesson Planet

Area Upgrade

For Students 10th - 12th Standards
Imagine a world built of triangles. A performance task asks scholars to consider just that. They use their knowledge of special segments of a triangle to make decisions about the area of triangular plots of land.
3:50
Lesson Planet

Area of a Triangle

For Students 6th - 8th Standards
Base times height or one half base times height ... area formulas are pretty predictable! Given the base and height dimensions of a triangle, a video lesson explains the process of finding the area. Learners have the opportunity to...
1:35
Lesson Planet

Area of a Shape on a Grid

For Students 6th - 8th Standards
What does a grid have to do with area? Well, just about everything! Learners view composite shapes on a grid and watch as the video instructor finds their areas. The examples use shapes composed of rectangles and triangles. Scholars...
8:42
Lesson Planet

Area of Compound Shapes

For Students 6th - 10th Standards
Composite figures—because everything isn't shaped like a rectangle, triangle, or circle. Learners practice separating compound shapes into something more manageable. A video shows them how to make the calculations, and worksheets give...
2:47
Lesson Planet

Find the Base of a Triangle Given Area

For Students 7th - 10th Standards
Base a lesson on an informative video perfect for expanding your class's knowledge of triangles. Young mathematicians watch a brief YouTube video that teaches how to solve for the base of a triangle given its height and area. It also...
Lesson Planet

Best Triangle

For Teachers 9th - 12th Standards
What makes an equilateral triangle equilateral? It turns out it's much more than just the side lengths! Learners analyze four different triangles to determine the best equilateral triangle. They create a formula that they later use to...
2:51
Lesson Planet

Calculating Areas of Sectors and Segments: Lesson

For Students 9th - 11th Standards
Find a slice of pi. The presentation talks through the process of finding the area of sectors and segments of circles. While working examples, the installment of an extensive geometry playlist uses the process to show the formulas for...
3:12
Lesson Planet

Area and Perimeter of Triangles: Lesson

For Students 6th - 10th Standards
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...