Refine Your Results

Content Curators

Grades

Subjects

Resource Types

Standards

114 resources with the concept dilation

Videos (Over 2 Million Educational Videos Available)
The Secret World of Animal Sleep 101 Sleepless on the Savanna Video
3:42
The Secret World of Animal Sleep 101...
Defining Gravity Video
3:11
Defining Gravity
The Circulatory System Part 1: The Heart Video
8:55
The Circulatory System Part 1: The Heart
Other Resource Types ( 114 )
EngageNY

EngageNY Precalculus and Advanced Topics Module 1: Complex Numbers and Transformations

For Teachers 11th - 12th Standards
Prepare your mathematicians for calculus with a collection of 32 lessons that focus on three topics: linearity, complex number operations as transformations, and the power of right notation. Each lesson includes teacher materials...
10 Items in Collection
Lesson Planet

Grade 8, Claim 1: Concepts and Procedures Item Slide Shows

For Teachers 8th Standards
Ten resources make up a collection of student and teacher-friendly slides that prepare eighth graders for the Smarter Balance assessment. Learners review rational and irrational numbers, convert repeating decimals to fractions, as well...
Lesson Planet

Discovering Dilations

For Teachers 9th - 12th Standards
Scale up the dilation factor. Using a dynamic geometry software program, classmates discover the relationship between a pre-image and its image after performing a dilation. Individuals create their own dilations and fellow class members...
2 In 2 Collections
Lesson Planet

Graphic Art Contest

For Teachers 7th - 10th Standards
Creativity is endless when your mathematicians take a simple image and use transformations to create their own poster inspired by geometry. While certain rotations and reflections are required, learners will be able to create ten new...
Lesson Planet

Dilations in the Plane

For Teachers 9th - 12th Standards
Tenth graders investigate dilations and explore the dilation transformation before investigating the properties of a dilation using Cabri Jr. Students extend the concept of dilatation to the coordinate plane.
1 In 1 Collection
Lesson Planet

Smarter Balanced Sample Items: 8th Grade Math – Target G

For Teachers 8th Standards
Transform the thinking of transformations with six sample items that illustrate the first four standards in the eighth grade geometry domain. Items use the coordinate plane to transform figures and analyze the relationship of the figures...
2:22
Lesson Planet

Human Tree: Dilations

For Students 6th - 8th Standards
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...
Lesson Planet

Module 4: Similarity and Right Triangle Trigonometry

For Teachers 9th - 12th Standards
Right you are to use a great resource. Starting with a lesson on dilations, scholars learn about similarity transformations and similar triangles. They use the knowledge to develop an understanding of right triangle trigonometry in later...
Lesson Planet

Human Tree: Ratios

For Students 6th - 7th Standards
Create a personal tree. By visiting an exhibit at the National Museum of Mathematics, the resource introduces the idea of fractals. The exhibit takes an image of the person and creates a tree by repeating scaled images on the shoulders...
5:11
Lesson Planet

Enlargements with Negative Scale Factor

For Students 6th - 12th Standards
How will a scale factor affect a figure—negatively? Using a grid, the narrator of an engaging video performs a dilation with a negative scale factor. The presenter compares a positive scale factor with a negative scale factor to explain...
5:34
Lesson Planet

Enlargements Using Ray Method

For Students 8th - 11th Standards
Figure out what to do when there is no grid to count. Using a ruler and a sharp pencil, the narrator shows how to perform a dilation when the figure is not on a grid. The ray method works by drawing a ray from the center of dilation...
3:31
Lesson Planet

Enlargements with Fractional Scale Factors

For Students 6th - 12th Standards
Enlargements make it bigger, right? A video shows viewers how to perform a basic dilation with a fractional scale factor. They learn how to use the scale factor to find the location of the transformed vertex by multiplying the horizontal...
4:55
Lesson Planet

Finding the Centre of Enlargement

For Students 6th - 12th Standards
Where did the transformation begin? Using a ruler, the narrator of a short presentation shows how to find the center of enlargement for transformed figures. Worksheets provide the class members an opportunity to practice the newly...
6:31
Lesson Planet

Describing Enlargements

For Students 6th - 12th Standards
What caused that to happen? Using three aspects, a video demonstrates how to describe an enlargement or dilation. The presenter counts the lengths of the sides to determine the scale factor and a ruler to find the center of dilation.
2:40
Lesson Planet

Enlargements

For Students 6th - 12th Standards
Count on the scale to enlarge a figure. The video shows how to create an enlargement given a scale factor and a center of enlargement. The presenter multiplies the vertical and horizontal distance by the scale factor to find the new...
4:03
Lesson Planet

Dilation: Lesson

For Students 7th - 11th Standards
Dilation—more than just an eye opener! A short video introduces the concept of dilating a figure given a center and a scale factor. Using prime notation, the installment of a larger geometry playlist shows how to label dilated images.
4:13
Lesson Planet

Dilation in the Coordinate Plane: Lesson

For Students 8th - 11th Standards
Multiply coordinates to either shrink or enlarge a figure. An informative segment of a geometry playlist introduces dilation on the coordinate plane. The dilations in the resource use the origin as the center of dilation, which makes...
Lesson Planet

Dilation Transformation

For Teachers 7th - 12th Standards
Just how similar are dilations to isometries? The instructional activity builds upon pupils' knowledge of transformations and introduces the concept of dilations to obtain similar figures. Learners find out how to dilate a figure without...
Lesson Planet

Photocopy Faux Pas

For Students 9th - 12th Standards
Why did it not copy correctly? Using the tools in GeoGebra, pupils explore an image and its preimage. The learners determine what happened with the copying process and determine where they should position the preimage to obtain a...
Lesson Planet

Triangle Dilations

For Students 9th - 12th Standards
Stretch the class' knowledge of dilations. With the aid of the rubber band stretcher tool, learners perform dilations. They dilate the triangle by a whole number scale and a fractional scale from two centers of dilation.
Lesson Planet

Circle to Circle

For Students 9th - 12th Standards
What does every circle have in common? Learners explore this question as they prove all circles are similar. A series of activities leads them to this conclusion by identifying transformations.
Lesson Planet

Are All Circles Similar?

For Teachers 9th - 11th Standards
Dilated pupils, the way to prove circles are similar. Using the knowledge of dilations of polygons, class members learn how to dilate a circle to show that it is similar to any other circle. The teacher guides the class through a proof...
Lesson Planet

Showing Similarity

For Students 9th - 12th Standards
Show similarity with a similar approach to congruence. The assessment provides learners with two figures on a coordinate plane. Pupils use the coordinates of the figures and similarity transformations to describe how to show the two...
Lesson Planet

Lessons for Learning—Grade 8

For Teachers 8th Standards
How can you better explain the standards? A collection of resources gives teachers the resources needed to teach topics within the eighth grade curriculum. Lessons provide engaging activities to use within the classroom.