Dilation Teacher Resources

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Students explore the concept of transformations.  For this transformations lesson, students enter data into lists and make a scatter plot of points.  Students use lists to transform the data points by shifting the points, left and right, or up and down.  Students also enlarge and shrink the data points.
In this dilations worksheet, students solve 29 short answer and graphing problems. Students graph ordered pairs to construct polygons. Students dilate their constructions and see how the image and pre-image are related.
Middle schoolers complete a unit about transformations and tessellations. They explore various tessellation websites, determine which shapes tessellate, complete a log about which website activities they complete, and create a tessellation using a computer Paint program.
For this transformations worksheet, learners solve 25 short answer problems.  Students dilate, reflect, and translate points and figures in the coordinate plane.  Learners determine scale factors and lines of symmetry of figures.
A dilation increases or decreases the size of a figure. In this lesson the teacher shows you how to use a scale factor of three to dilate the given figure. She identifies the ordered pairs, multiplies them by three, plots the new coordinates and connects the dots.
Shape shifters explore transformation through the construction of patterns on a TI handheld. In this math lesson, students investigate and apply their knowledge of reflection, translation, rotation, and dilation. This assignment requires minimal teacher involvement.  
Students investigate the rigid motions of reflection, rotation, translation, and dilation. This investigation be accomplished through classroom instruction and exploration using Geometer's Sketchpad.
Students perform transformation and rotations on different polygons. In this geometry activity, students continue their research in global warming as they discuss rotation and transformation of axis of the globe. They apply properties of geometry to solve cross curricular questions.
Students investigate the concept of transformations and how they are used in various types of problems and define the terms of rotation, reflection, translation, and dilation. They practice using the GSP technology to apply practices to display the images in two or three dimensional space.
Students work in cooperative groups to manipulate a figure on the computer to demonstrate different types of geometric transformations. They generate formulas that can be used to translate different figures.
Students perform transformation, rotation and reflection on functions. In this algebra lesson, students identify different parts of a graph and how it affects the transformation. They find the domain and range of each function.
Students resize figures using scale and dilations. In this geometry lesson, students dilate shapes using a coordinate plane. They complete a handout that goes with this lesson, and review previous knowledge as well.
For this geometry worksheet, high schoolers dilate a quadrilateral by first determining the points, applying the scale factor, and redrawing the transformed image. There is 1 shape to transform.
A transformation is the process of changing the graph of a figure or a shape. The instructor introduces the four most common transformations: reflection, dilation, rotation, and translation. So watch as she draws the transformations on a graph.
A dilation increases or decreases the size of a figure. In this lesson the teacher shows you how to use a scale factor of three to dilate the given figure. She identifies the ordered pairs, multiplies them by three, plots the new coordinates and connects the dots.
In this translation lesson, explore through the use of matrix multiplication to rotate, reflect, dilate and translate images. Discussion of dilation, rotation, symmetry, and motion of objects are all covered in this insightful lesson. 
Apply geometric properties and formulae for surface area and volume by constructing a three-dimensional model of a city. Learners use similar and congruent figures and transformations to create a city of at least 10 buildings. They trade with classmates, who calculate surface area and volume of some of the structures. Refers to a Discovery Education video/DVD to support and enrich the project; a link takes you to a website to order it. Charts mentioned are not attached.
Students explore the concept of scale factors.  In this scale factors lesson, students dilate polygons and determine the ratio of the perimeters and areas of an image and pre-image.  Students use Ti-Nspires to graph triangles, measure angles, and determine the ratios of images and pre-images.
Mathematicians utilize artwork to help illustrate the major ideas of transformations and tessellations. They visually identify transformations including reflections, rotations, and translations. They discuss how artists have used geometry in their artwork.
Learners investigate properties of similar figures. In this properties of similar figures lesson, pupils construct similar figures using Cabri Jr. They dilate their figure to create a similar one, and discuss the relationships between the angle measures and side lengths of the two similar figures.

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