Curated Video
Determining Similarity of Figures Using Dilations and Scale Factors
This video explains how to determine if two figures are similar using dilations and scale factors. It reviews the concept of similar figures, which have the same shape but different sizes and corresponding congruent angles. The video...
Curated Video
Understanding Dilations: Enlarging and Reducing Parallelograms
In this video, students will learn about dilating a parallelogram by either enlarging or reducing its size. They will understand the concept of scale factor and how it affects the figure. The video explains how angles and parallelism...
Curated Video
Demonstrating Circle Similarity Using Translations and Dilations
In this video, we review the concept of similarity, where corresponding angles are congruent and corresponding sides are proportional. This lesson helps students understand the criteria for similarity and how it applies specifically to...
Curated Video
Understanding the Relationships between Similar Triangles through Translations and Dilations
This video explains the concept of similar triangles and their side and angle relationships. The video discusses how similar triangles have the same shape but not necessarily the same size, and how dilations and translations can be used...
NUMBEROCK
Transformations Song | Translations, Rotations, Reflections, & Dilations
This video will be the perfect way to introduce your class transformations. Students will learn that a flip is a reflection, a slide is a translation, and a turn is a rotation, while also reviewing the concepts of symmetry and dilations,...
Curated Video
Solve Word Problems by Doing Dilations
In this video, the teacher explains how to use a photographic enlarger to create a print from a negative while maintaining proper proportions. The lesson also covers solving word problems involving dilations using different scale factors.
Curated Video
Calculating the Scale Factor of a Dilation
This video explains how to determine the scale factor of a dilation by comparing the side lengths of the preimage and image. It demonstrates two methods: dividing the corresponding vertices and finding the ratio of the corresponding...
Mazz Media
Integumentary System
In this live-action program viewers will learn that the integumentary system is the body's barrier between its interior and the outside. It is an organ system consisting of the skin, hair, nails, and exocrine glands. Students will come...
NUMBEROCK
Transformations Song | Translations, Rotations, Reflections, & Dilations
This video will be the perfect way to introduce your class transformations. Students will learn that a flip is a reflection, a slide is a translation, and a turn is a rotation, while also reviewing the concepts of symmetry and dilations,...
Curated Video
Determining Triangle Similarity through Rotation and Dilation
In this lesson, students will learn how to determine if two triangles are similar by checking for two corresponding congruent angles using a rotation and a dilation. They will understand that a dilation changes the size of an object...
Science360
Studying geometry in a pool hall
Math teacher Valerie Camille Jones gets students out of the classroom to see the real-world context of mathematics. Jones is a recipient of the 2013 Presidential Award for Excellence in Mathematics and Science Teaching.
Curated Video
Determining Triangle Similarity Using Dilation and Translation
In this lesson, students will learn how to determine if two triangles of different sizes are similar. By using a combination of dilation and translation, they will understand that when two triangles have corresponding congruent angles,...
Getty Images
Human eye - CU blue eye, dilated pupil contracts, eyelid closes
Human eye - CU blue eye, dilated pupil contracts, eyelid closes
Getty Images
Human eye - CU blue eye, dilated pupil contracts, eyelid closes
Human eye - CU blue eye, dilated pupil contracts, eyelid closes
Getty Images
Human eye - CU blue eye, dilated pupil contracts, eyelid closes
Human eye - CU blue eye, dilated pupil contracts, eyelid closes
Getty Images
Human eye - CU brown eye, dilated pupil contracts, eyelid closes
Human eye - CU brown eye, dilated pupil contracts, eyelid closes
Getty Images
Human Eye - Eyelids and eyelashes protecting out of focus eye
Human Eye - Eyelids and eyelashes protecting out of focus eye
PBS
Human Tree: Dilations
Look at dilations exponentially. Using a fractal from a museum exhibit, the installment from the Math at the Core: Ratios series introduces the term dilation. The presenter points out that dilations can make images either smaller or...