 ## CCSS.MATH.CONTENT.6.EE.B.7

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### This is the Teacher's Guide that accompanies Algebra Applications: Equations. ### In this episode of Algebra Applications, two real-world explorations are developed: Biology. Analyzing statistics from honey bee production allows for a mathematical analysis of the so-called Colony Collapse Disorder. Geology. Why do rivers meander instead of traveling in a straight line? In this segment the geological forces that account for a river’s motion are explained. This video includes a Video Transcript: https://www.media4math.com/library/video-transcript-algebra-applications-variables-and-equations ### An overview of the key topics to be covered in the video. This video includes a Video Transcript: https://www.media4math.com/library/video-transcript-algebra-applications-variables-and-equations-segment-1-introduction ### Honey bees not only produce a tasty treat, they also help pollinate flowering plants that provide much of the food throughout the world. So, when in 2006 bee colonies started dying out, scientists recognized a serious problem. Analyzing statistics from honey bee production allows for a mathematical analysis of the so-called Colony Collapse Disorder. This video includes a Video Transcript: https://www.media4math.com/library/video-transcript-algebra-applications-variables-and-equations-segment-2-honey-production A Promethean Flipchart is available for this video: https://www.media4math.com/library/promethean-flipchart-algebra-applications-honey-production ### Why do rivers meander instead of traveling in a straight line? In going from point A to point B, why should a river take the circuitous route it does instead of a direct path? Furthermore, what information can the ratio of the river’s length to its straight-line distance tell us? In this segment the geological forces that account for a river’s motion are explained. In the process, the so-called Meander Ratio is explored. Students construct a mathematical model of a meandering river using the TI-Nspire. Having built the model, students then use it to generate data to find the average of many Meander Ratios. The results show that on average the Meander Ratio is equal to pi. This video includes a Video Transcript: https://www.media4math.com/library/video-transcript-algebra-applications-variables-and-equations-segment-3-river-ratios A Promethean Flipchart is available for this video: https://www.media4math.com/library/promethean-flipchart-algebra-applications-river-ratios ### This is the Teacher's Guide that accompanies Algebra Nspirations: Variables and Equations. To view the video, Algebra Nspirations: Variables and Equations: https://www.media4math.com/library/algebra-nspirations-variables-and-equations This video includes a video transcript: https://www.media4math.com/library/video-transcript-algebra-nspirations-variables-and-equations This video includes a Promethean Flipchart: https://www.media4math.com/library/promethean-flipchart-algebra-nspirations-variables-and-equations ### Ever since the mathematics of the Babylonians, equations have played a central role in the development of algebra. Written and hosted by internationally acclaimed mathematics educator Dr. Monica Neagoy, this video traces the history and evolution of equations. It explores the two principal equations encountered in an introductory algebra course – linear and quadratic – in an engaging way. The foundations of algebra are explored and fundamental questions about the nature of algebra are answered. In addition, problems involving linear and quadratic equations are solved using the TI-Nspire graphing calculator. Algebra teachers looking to integrate hand-held technology and visual media into their instruction will benefit greatly from this series. Concepts explored: Variables, equations, functions, formulas, linear functions and equations, quadratic functions and equations, solving equations graphically. This video includes a video transcript: https://media4math.com/library/video-transcript-algebra-nspirations-variables-and-equations This video includes a Teacher's Guide: https://www.media4math.com/library/algebra-nspirations-teachers-guide-variables-and-equations This video includes a Promethean Flipchart: https://www.media4math.com/library/promethean-flipchart-algebra-nspirations-variables-and-equations ### In this Investigation we get a historical overview of equations. This video is Segment 1 of a 2 segment series related to Variables and Equations. To access Variables and Equations, Segment 2, click the following link:  • https://www.media4math.com/library/algebra-nspirations-variables-and-equations-segment-2 A Video Transcript for Variables and Equations, Segments 1 and 2 is available via the following link:  • https://www.media4math.com/library/video-transcript-algebra-nspirations-variables-and-equations-part-1 ### In this Math Lab a hands-on activity has students comparing the diameter of a circle and its circumference. This video is Segment 2 of a 2 segment series related to Variables and Equations. To access Variables and Equations, Segment 1, click the following link:  • https://www.media4math.com/library/algebra-nspirations-variables-and-equations-segment-1 A Video Transcript for Variables and Equations, Segments 1 and 2 is available via the following link:  • https://www.media4math.com/library/video-transcript-algebra-nspirations-variables-and-equations-part-1 ### In this Investigation we solve linear and quadratic equations. This video is Segment 3 of a 4 segment series related to Variables and Equations. Segments 3 and 4 are grouped together. To access Variables and Equations, Segment 4, click the following link: • https://www.media4math.com/library/algebra-nspirations-variables-and-equations-segment-4 A Video Transcript for Variables and Equations, Segments 3 and 4 is available via the following link: • https://www.media4math.com/library/video-transcript-algebra-nspirations-variables-and-equations-part-2 ### In this Math Lab we look at an area model for expanding the product of two binomials. This video is Segment 4 of a 4 segment series related to Variables and Equations. Segments 3 and 4 are grouped together. To access Variables and Equations, Segment 3, click the following link: • https://www.media4math.com/library/algebra-nspirations-variables-and-equations-segment-3 A Video Transcript for Variables and Equations, Segments 3 and 4 is available via the following link: • https://www.media4math.com/library/video-transcript-algebra-nspirations-variables-and-equations-part-2 ### In this PowerPoint presentation, analyze the solution to a multi-step equation of the form: -ax + -b = -cx - d. Note: The download is a PPT file. ### In this interactive, look at the solution to a two-step equation by clicking on various hot spots. Note: The download is a PPT file. ### In this PowerPoint presentation, analyze the solution to a multi-step equation of the form: -ax + b = -cx + d. Note: The download is a PPT file. ### In this PowerPoint presentation, analyze the solution to a multi-step equation of the form: -ax + b = -cx - d. Note: The download is a PPT file. ### In this interactive, look at the solution to a two-step equation by clicking on various hot spots. Note: The download is a PPT file. ### In this PowerPoint presentation, analyze the solution to a multi-step equation of the form: -ax + b = cx + d. Note: The download is a PPT file. ### In this PowerPoint presentation, analyze the solution to a multi-step equation of the form: -ax + b = cx - d. Note: The download is a PPT file. ### In this PowerPoint Presentation, analyze the steps in converting a linear equation in Standard Form to a linear function in Slope-Intercept Form. In this Interactive we work with this version of the Standard Form: -AX + By = -C. Note: The download is a PPT file. ### In this PowerPoint Presentation, analyze the steps in converting a linear equation in Standard Form to a linear function in Slope-Intercept Form. In this Interactive we work with this version of the Standard Form: -AX + By = C. Note: The download is a PPT file. ### In this interactive, look at the solution to a two-step equation by clicking on various hot spots. Note: The download is a PPT file. ### In this PowerPoint presentation, analyze the solution to a multi-step equation of the form: -ax - b = -cx + d. Note: The download is a PPT file. ### In this interactive, look at the solution to a two-step equation by clicking on various hot spots. Note: The download is a PPT file. ### In this PowerPoint presentation, analyze the solution to a multi-step equation of the form: -ax - b = cx + d. Note: The download is a PPT file. ### In this PowerPoint presentation, analyze the solution to a multi-step equation of the form: -ax - b = cx - d. Note: The download is a PPT file. 