Dilations in math. How to perform a dilation -Formula and Interactive Demo and Practice Problems
Answer: A dilation is a type of transformation that changes the size of the image. The scale factor, sometimes called the scalar factor, measures how much larger or smaller the image is. Below is a picture of each type of dilation (one that gets larger and one that gest smaller)
Calculus I - Definition of the Definite Integral
In this section we will formally define the definite integral and give many of the properties of definite integrals. Let’s start off with the definition of a definite integral. Definite Integral The definite integral is defined to be exactly the limit and summation that we looked at in the last section to find the net area between a function and the x-axis. Also note that the notation for the definite integral is very similar to the notation for an indefinite integral. The reason for this will be apparent eventually.

making middle school math fun
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Math Teaching Videos
Math Teaching VideosEach math problem comes with a step by step video solution, follow up problems, an online calculator and sketch pad. advertisement Jenn's Fish Tank Weighing Oranges

Common Core Standards : CCSS.Math.Content.8.G.A.3
3. Describe the effect of dilations, translations, rotations, and reflections on two-dimensional figures using coordinates. Transformations are fascinating things in real life, in movies, and of course, in geometry. But if your students expect shapes to turn into giant fighting robots, they've got another thing coming. Students should already be aware of the basic geometric transformations and understand how they change and move shapes on the plane. This can be as simple as knowing that translations are slides, rotations are turns, reflections are flips, and dilations are enlargements or contractions.

Triangle Classifications
Our study of triangles begins with their different classifications. But before we can do this, we must learn how to name triangles. Since triangles are defined by their three vertices, we use the triangle symbol, ?
Cyberchase . FREE Lucky Star Game Show Application for SMART Board
Designed for grades 3-5, the CYBERCHASE Lucky Star game show challenges kids to compete for top scores while building important math skills. This easy-to-install application engages students using the hugely popular characters from CYBERCHASE and offers the following features: Motivational & Replayable Learning: 150 fun questions combine a mix of age-appropriate math and problem-solving to help students strengthen their skills in algebraic thinking, number and operations, geometry, measurement, and more. Think Pad: Students can represent their thinking as they solve problems on the Think Pad, a blank dropdown area that lets them use the SMART Board interactive whiteboard's pens to write directly into the game.

Graphing Calculator
Untitled Graph Create AccountorSign In π functions θ τ
2-5 geometric transformations - rotations
Lesson: 2-5 geometric transformations - rotations Ryan Hall Williamsburg Collegiate Middle School New York, NY 2716 Views 100 Downloads
Trig without Tears: Contents
Summary: Faced with the large number of trigonometric identities, students tend to try to memorize them all. That way lies disaster. When you memorize a formula by rote, you have no way to know whether you’re remembering it correctly.