We've learned about matrix addition, matrix subtraction, matrix multiplication. So you might …
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.
Sal introduces the famous and super important Pythagorean theorem! This lesson includes …
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.
La plateforme d’Intuit vous aide à avoir une plus grande confiance financière …
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This multi-disciplinary resource features ten engaging lessons that focus on biodiversity and …
This multi-disciplinary resource features ten engaging lessons that focus on biodiversity and invasive species. An ecosystem approach provides an authentic context to help students understand what invasive species are and how these plants and animals can significantly impact the vital interdependence of organisms within habitats. Although developed to support the Grade 6 Life Sciences curriculum (Ontario), the strong English Language Arts, Math and Social Studies links make this resource applicable across a broad range of subject areas and grade levels.
In a combination of in-class and outdoor activities students will:
- Define and explore types of invasive species. - Identify how organisms interact within ecosystems. - Respond to media information about invasive species. - Explore a local habitat to find and catalogue native and non-native species. - Initiate action to inform the community about the prevention of the spread of invasive species.
Being able to recognize a problem and design a potential solution is …
Being able to recognize a problem and design a potential solution is the first step in the development of new and useful products. In this activity, students create devices to get "that pesky itch in the center of your back." Once the idea is thought through, students produce design schematics (sketches). They are given a variety of everyday materials and recyclables, from which they prototype their back-scratching devices.
This online exhibit explores the history and development of the electric guitar. …
This online exhibit explores the history and development of the electric guitar. It includes information about the instrument designers and the musicians who influenced the creation of new guitars and innovations in their sound. Examples of about 40 different guitars are included with descriptions of each. There is also information on how different types of acoustic and electric guitars operate with the sounds of each available for listening. Finally, addition information, references, and links are included.
In this activity students use log tapes and base-two slide rules as …
In this activity students use log tapes and base-two slide rules as references to graph exponential functions and log functions in base-10 and base-2. Students discover that exponential and log functions are inverse, reflecting across the y = x axis as mirror images. This is activity E2 in the "Far Out Math" educator's guide. Lessons in the guide include activities in which students measure, compare quantities as orders of magnitude, become familiar with scientific notation, and develop an understanding of exponents and logarithms using examples from NASA's GLAST mission. These are skills needed to understand the very large and very small quantities characteristic of astronomical observations. Note: In 2008, the GLAST mission was renamed Fermi, for the physicist Enrico Fermi.
This lesson provides a way for students to determine the relationship between …
This lesson provides a way for students to determine the relationship between the distance from a light source and its brightness. Once students discover the relationship, they can begin to understand how astronomers use this knowledge to determine the distances to stars and far away galaxies.
Inspired by their curiosity about animals, students work together to research an …
Inspired by their curiosity about animals, students work together to research an animal of their choice and present the information they gather to an authentic audience.
Students observe how water acts differently when placed on hydrophilic and hydrophobic …
Students observe how water acts differently when placed on hydrophilic and hydrophobic surfaces. They determine which coatings are best to cause surfaces to shed water quickly or reduce the "fogging" caused by condensation.
Dominoes have become a staple in most primary classrooms. They build upon …
Dominoes have become a staple in most primary classrooms. They build upon dice patterns and are often used to model decomposition of numbers, building student knowledge of addition facts. They are an excellent manipulative for primary students to use and these are some examples of how students might use dominoes in the math center. Try these domino games with students to improve math skills and number recognition. Encourage students to play these games at home with their families, using real dominoes or paper copies.
Forensic anthropology is the application of anthropology to criminal investigations. It incorporates …
Forensic anthropology is the application of anthropology to criminal investigations. It incorporates concepts and methods from biological anthropology (the study of the physical aspects of humanity). Identifying unknown individuals is a key part of forensic anthropology. Anthropologists assist in identifications primarily by constructing a biological profile. This includes estimating age, sex, stature, and ancestry, as well as identifying specific characteristics, like diseases or injuries. In addition to helping identify human remains, the anthropologist analyzes injuries that happened around the time of a person's death, which can help determine how a person died. To do these things, an anthropologist begins by asking a series of important questions.
Website includes more information on forensic anthropology, including photos and videos.
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