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Improper Fraction - PhET Interactive Simulations
Unrestricted Use
CC BY
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Build equivalent fractions with different denominators. Match shapes and numbers to earn stars in the game. Challenge yourself on any level you like. Try to collect lots of stars!

Subject:
Mathematics
Material Type:
Activity/Lab
Lesson
Lesson Plan
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Diana L Pez
Francisco Vilar Vasconcelos Raphael Alves Feitosa
Isadora Siqueira
Janelle Stanton
Leidiane Peixoto
Lilian Silva
Mait Vitorino E Nayara Voigt
PhET at University of Colorado
Sherene Irvine
Traducci N Mayra Tavares
Trish Loeblein
Date Added:
12/17/2021
Inferring population mean from sample mean
Conditional Remix & Share Permitted
CC BY-NC-SA
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Much of statistics is based upon using data from a random sample that is representative of the population at large. From that sample mean, we can infer things about the greater population mean. We'll explain.

Subject:
Mathematics
Statistics and Probability
Material Type:
Lesson
Provider:
Khan Academy
Author:
Salman Khan
Date Added:
07/07/2021
Internet Traffic Light
Only Sharing Permitted
CC BY-NC-ND
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Staying safe online is a lot like staying safe in the real world. Using a fun traffic light activity, students learn how to identify "just right" content, giving them the green light to learn, play, and explore the internet safely.

Subject:
Education
Material Type:
Lesson
Provider:
Common Sense Media
Author:
Common Sense Media
Date Added:
12/20/2021
Intro to 3D Bioprinting: Design, Applications and Limitations
Read the Fine Print
Educational Use
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Students learn about the current applications and limitations of 3D bioprinting, as well as its amazing future potential. This lesson, and its fun associated activity, provides a unique way to review and explore concepts such as differing cell functions, multicellular organism complexity, and engineering design steps. As introduced through a PowerPoint® presentation, students learn about three different types of bioprinters, with a focus on the extrusion model. Then they learn the basics of tissue engineering and the steps to design printed tissues. This background information prepares students to conduct the associated activity in which they use mock-3D bioprinters composed of a desktop setup that uses bags of icing to “bioprint” replacement skin, bone and muscle for a fictitious trauma patient, Bill. A pre/post-quiz is also provided.

Subject:
Applied Science
Biology
Engineering
Life Science
Material Type:
Lesson
Provider:
TeachEngineering
Provider Set:
Lessons
Author:
A. L. Peirce Starling
Angela Sickels
Hunter Sheldon
Nicholas Asby
Ryan Tasker-Benson
Shayn M. Peirce
Timothy Allen
Date Added:
06/20/2017
Intro to Significant Figures
Conditional Remix & Share Permitted
CC BY-NC-SA
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Significant figures are the number of digits in a value, often a measurement, that contribute to the degree of accuracy of the value. We start counting significant figures at the first non-zero digit. Calculate the number of significant figures for an assortment of numbers.

Subject:
Mathematics
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Salman Khan
Date Added:
07/07/2021
Intro to Vectors Physics and Augmented Reality
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Educational Use
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Students learn about video motion capture technology, becoming familiar with concepts such as vector components, magnitudes and directions, position, velocity, and acceleration. They use a (free) classroom data collection and processing tool—the ARK Mirror—to visualize and record 3-D motion. The Augmented Reality Kinematics (ARK) Mirror software collects data via a motion detector. Using an Orbbec Astra Pro 3D camera or Microsoft Kinect (see note below), students can visualize and record a robust set of data and interpret them using statistical and graphical methods. This lesson introduces students to just one possible application of the ARK Mirror software—in the context of a high school physics class. Note: The ARK Mirror is ported to operate on an Orbbec platform. It may also be used with a Microsoft Kinect, although that Microsoft hardware has been discontinued. Refer to the Using ARK Mirror and Microsoft Kinect attachment for how to use the ARK MIrror software with Microsoft Kinect.

Subject:
Applied Science
Computer Science
Engineering
Mathematics
Measurement and Data
Physical Science
Physics
Material Type:
Lesson
Provider:
TeachEngineering
Provider Set:
Lessons
Author:
Jackson Reimers
Date Added:
08/30/2018
Intro to matrix inverses
Conditional Remix & Share Permitted
CC BY-NC-SA
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We've learned about matrix addition, matrix subtraction, matrix multiplication. So you might be wondering, is there the equivalent of matrix division? And before we get into that, let me introduce some concepts to you. And then we'll see that there is something that maybe isn't exactly division, but it's analogous to it.

Subject:
Algebra
Mathematics
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Salman Khan
Date Added:
07/07/2021
Intro to the Pythagorean theorem
Conditional Remix & Share Permitted
CC BY-NC-SA
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Sal introduces the famous and super important Pythagorean theorem! This lesson includes an introduction video followed by examples and practice problems involving finding the hypotenuse, finding a side, finding area of an isosceles triangle, and determining if a triangle is a right triangle. It is followed by a unit on Pythagorean theorem applications.

Subject:
Geometry
Mathematics
Material Type:
Homework/Assignment
Lesson
Module
Provider:
Khan Academy
Author:
Salman Khan
Date Added:
07/07/2021
Is It Cyberbullying?
Only Sharing Permitted
CC BY-NC-ND
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Let's face it: Some online spaces can be full of negative, rude, or downright mean behavior. But what counts as cyberbullying? Help your students learn what is -- and what isn't -- cyberbullying, and give them the tools they'll need to combat the problem.

Subject:
Education
Material Type:
Lesson
Provider:
Common Sense Media
Author:
Common Sense Media
Date Added:
12/20/2021
Is Seeing Believing
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CC BY-NC-ND
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The web is full of photos, and even videos, that are digitally altered. And it's often hard to tell the difference between what's real and what's fake. Help your students ask critical questions about why someone might alter a photo or video in the first place.

Subject:
Education
Material Type:
Lesson
Provider:
Common Sense Media
Author:
Common Sense Media
Date Added:
12/20/2021
Is That a Mastodon?! A Case Study in Civic Responsibility
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Educational Use
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Uses primary sources to explore the extent to which citizens and communities are responsible for scientifically and/or historically significant finds on public property.

Subject:
History
Material Type:
Lesson
Provider:
Connecticut Humanities
Provider Set:
Teach It
Author:
Institute for American Indian Studies
Date Added:
07/29/2021