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5 Pythagorean Solids
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CC BY-NC-SA
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This OER explores the basic organization of the Pythagorean Solids. It contains both an activity as well as resources for further exploration. It is a product of the OU Academy of the Lynx, developed in conjunction with the Galileo's World Exhibition at the University of Oklahoma.

Subject:
Arts and Humanities
History
Mathematics
Material Type:
Activity/Lab
Diagram/Illustration
Homework/Assignment
Lecture Notes
Primary Source
Student Guide
Author:
Brent Purkaple
Kerry Magruder
Date Added:
01/28/2016
A+ Click K-12 Math Test
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CC BY-NC-SA
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A+ Click is an interactive collection of more than 3700 math problems and answers for K-1 K-12 school program. It defines the personal level of math knowledge. You move up into the next level if you give 5 correct answers in a row. Practice makes perfect.

Subject:
Mathematics
Algebra
Geometry
Material Type:
Activity/Lab
Assessment
Game
Lecture Notes
Provider:
aplusclick
NSDL Staff
Provider Set:
Individual Authors
Mathematics Gateways and Resources
Author:
Igor Kokcharov
Date Added:
02/16/2011
Adding Fractions with Unlike Denominators
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This resource from the National Library of Virtual Manipulatives shows students how to rename fractions to have a common denominator and then add them. It is appealing because it visually engages the students by showing them what happens to a unit (a rectangle is used here) as the denominator increases or decreases. As the denominator increases or decreases, the partitions are shown accordingly, and the effect on the numerator is shown as well. This is a convenient, visual way to show students how to manipulate fractions for adding.

Subject:
Education
Mathematics
Material Type:
Interactive
Teaching/Learning Strategy
Provider:
Florida Center for Research in Science, Technology, Engineering, and Mathematics
Provider Set:
iCPALMS: A Standards-based K-12 Resources and Tools Pathway
Author:
National Library of Virtual Manipulatives
Date Added:
03/20/2012
Adding Integers to Real Life Problems
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CC BY
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Adult Learners will review the previous lesson, measuring with a thermometer, to continue their application in horizontal number lines. Learners will use the number line to increase their understanding of integer values as well as apply their understanding to solving real world problems.

Subject:
Education
Mathematics
Material Type:
Interactive
Lesson Plan
Student Guide
Author:
Lisa Ramsey
Date Added:
05/14/2016
Adding Slide Rule
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In this activity, students construct adding slide rules, scaled with linear calibrations like ordinary rulers. Students learn to move these scales relative to each other in ways that add and subtract distances, thus calculating sums and differences. This is Activity A1 in the "Far Out Math" educator's guide. Lessons within the guide include activities in which students measure, compare quantities as orders of magnitude, use 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.

Subject:
Mathematics
Physics
Material Type:
Lesson Plan
Provider:
NASA
Provider Set:
NASA Wavelength
Date Added:
11/05/2014
Algebra
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CC BY-SA
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In this video, we explore some concepts fundamental to algebra. To streamline the discussion of relationships between physical quantities, we introduce variables, functions, composition, and inverse. By thinking about the concept of an inverse function, we obtain our first glimpse of the imaginary root (i.e. square-root of -1) and the complex plane.

Subject:
Mathematics
Algebra
Material Type:
Lecture Notes
Provider:
Look At Physics
Provider Set:
A Mathematical Way to Think About Biology
Author:
David Liao
Date Added:
10/08/2011
Algebra 1
Unrestricted Use
CC BY
Rating

In this course students gain proficiency in Linear Equations, Linear Inequalities, Graphing linear equations, Solving Systems of Equations, Simplifying with Polynomials, Division of Polynomials, Factoring Polynomials, Developing a Factoring Strategy, and Solving Other Algebraic Equations.

Subject:
Career and Technical Education
Education
Mathematics
Material Type:
Full Course
Author:
Boyoung Chae
SBCTC Admin
Date Added:
02/01/2018
Algebra 2
Unrestricted Use
CC BY
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The College and Career Readiness Standards for Level E (High School) outline the outcomes for this course.In this course students gain proficiency in Functions, Linear Functions, Solving Quadratics, Quadratic Functions, Exponential Functions, and Logarithmic Functions.

Subject:
Career and Technical Education
Education
Mathematics
Material Type:
Full Course
Author:
Boyoung Chae
SBCTC Admin
Date Added:
02/01/2018
Algebra2go: Digits and Place Value
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Professor Perez and his favorite student Charlie have the tools that can help you. We have five primary types of study materials: class notes, video worksheets, video lectures, practice problems, and practice quizzes.

Subject:
Algebra
Numbers and Operations
Material Type:
Homework/Assignment
Lecture
Lecture Notes
Provider:
Saddleback College
Provider Set:
Individual Authors
Author:
Candice Harrington
Larry Perez
Patrick Quigley
Date Added:
04/19/2013
Algebra Tiles
Rating

Use tiles to represent variables and constants, learn how to represent and solve algebra problems. Solve equations, substitute in variable expressions, and expand and factor. Flip tiles, remove zero pairs, copy and arrange, and make your way toward a better understanding of algebra.

Subject:
Algebra
Material Type:
Diagram/Illustration
Interactive
Simulation
Author:
Illuminations National Council of Teachers of Mathematics
Date Added:
05/15/2018
Area Model Algebra
Unrestricted Use
CC BY
Rating

Build rectangles of various sizes and relate multiplication to area. Discover new strategies for multiplying algebraic expressions. Use the game screen to test your multiplication and factoring skills!

Subject:
Algebra
Material Type:
Diagram/Illustration
Game
Interactive
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Amanda McGarry (co-lead)
Amy Hanson (lead designer)
Ariel Paul
Diana Lopez Tavares (artwork)
Jonathan Olson (developer)
Karina Hensberry
Kathy Perkins
Mariah Hermsmeyer (artwork)
Susan Miller
Date Added:
05/09/2018
Area Model Introduction
Unrestricted Use
CC BY
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Build rectangles of various sizes and relate multiplication to area. Partition a rectangle into two areas to discover the distributive property.

Subject:
Elementary Education
Algebra
Numbers and Operations
Material Type:
Diagram/Illustration
Game
Interactive
Simulation
Author:
Amanda McGarry (co-lead)
Amy Hanson (lead designer)
Ariel Paul
Diana Lopez Tavares (artwork)
Jonathan Olson (developer)
Karina Hensberry
Kathy Perkins
Mariah Hermsmeyer (artwork)
Susan Miller
Date Added:
05/15/2018
Area Model Multiplication
Unrestricted Use
CC BY
Rating

Build rectangles of various sizes and relate multiplication to area. Discover new strategies for multiplying large numbers. Use the game screen to test your problem solving strategies!

Subject:
Elementary Education
Algebra
Numbers and Operations
Material Type:
Diagram/Illustration
Game
Interactive
Simulation
Author:
Amanda McGarry (co-lead)
Amy Hanson (lead designer)
Ariel Paul
Diana Lopez Tavares (artwork)
Jonathan Olson (developer)
Karina Hensberry
Kathy Perkins
Mariah Hermsmeyer (artwork)
Susan Miller
Date Added:
05/15/2018
Area and Perimeter Lesson
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CC BY-NC
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This lesson examines rectangular shapes and the relationship between their areas and perimeters. The goal is to provide students with the ability to measure these features, understand that perimeter and area have a relationship, and recognize and apply their new knowledge in real-life applications. This lesson builds on previous lesson that the students have done on measurement of length and perimeter.

Subject:
Mathematics
Material Type:
Lesson Plan
Author:
Amanda Duffy
Ruth Sugar
Date Added:
01/28/2016
Area and Perimeter of Rectangles with Cheezits
Unrestricted Use
CC BY
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This is a lesson for learning about area and perimeter of rectangles.

This corresponds to "College and Career Ready" standard (3.MD.7a) -- Find the area of a rectangle with whole-number side lengths by tiling it, and show that the area is the same as would be found by multiplying the side lengths.
(I was not able to find that standard here.)

Subject:
Mathematics
Material Type:
Lesson Plan
Author:
Susan Jones
Date Added:
01/28/2017
Remix
Arithmet
Unrestricted Use
CC BY
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Learners become introduced to the concept of budget and its use in business settings. They will prepare a simple budget in excel for two business trips from Washington D.C. to both a domestic and an international destination of their choice researching various websites and they will create a short presentation on ways to save money on business travel. The lesson will provide learners with an opportunity to develop basic literacy in MS office applications, basic financial literacy and to hone their internet researching skills.

Subject:
English Language Arts
Mathematics
Material Type:
Activity/Lab
Lesson Plan
Reading
Author:
Viviana Dreyer
Date Added:
08/08/2019