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  • NC.Math.8.G.8
8.G Finding isosceles triangles
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This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important asects of the task and its potential use. Here are the first few lines of the commentary for this task: Mrs. Lu has asked students in her class to find isosceles triangles whose vertices lie on a coordinate grid. For each student example below, explain wh...

Subject:
Mathematics
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
08/05/2013
8.G Finding the distance between points
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CC BY
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Overview:

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.

Subject:
Mathematics
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
05/03/2019
8th Grade Math Parent Guide
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CC BY-NC-ND
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Overview:

This 8th grade Math parent guide explains the content in straightforward terms so they can support their children’s learning at home and will encourage caretaker engagement with lessons.

Subject:
Mathematics
Material Type:
Reference Material
Author:
AMBER GARVEY
Date Added:
01/10/2022
8th Grade Math Teacher Guide
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CC BY-NC-SA
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Overview:

Our Teacher Guides are meant to support the use of our online course and unit content. Please use these to accompany the use of our content and for ideas to support struggling learners, those needing extension and for additional resources.

Subject:
Mathematics
Material Type:
Curriculum
Teaching/Learning Strategy
Author:
AMBER GARVEY
Date Added:
05/16/2022
Distance and midpoint
Conditional Remix & Share Permitted
CC BY-NC-SA
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Site a water tower shared by two towns at the midpoint and determine the costs involved using the Pythagorean theorem.

Subject:
Mathematics
Material Type:
Activity/Lab
Author:
ESRI
Date Added:
04/11/2020
Engineering Your Own Spectrograph
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Educational Use
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Students use simple materials to design an open spectrograph so they can calculate the angle light is bent when it passes through a holographic diffraction grating. A holographic diffraction grating acts like a prism, showing the visual components of light. After finding the desired angles, students use what they have learned to design their own spectrograph enclosure.

Subject:
Engineering
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Date Added:
10/14/2015
Remix
Fencing
Conditional Remix & Share Permitted
CC BY-NC
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Students will use distance and perimeter on the coordinate plane to determine which fence company offers the best price for fencing a yard. Depending on the level of the class, students can use the Pythagorean Theorem or the distance formula.
Edited to add a digital copy of the task and solution.

Subject:
Mathematics
Material Type:
Activity/Lab
Assessment
Formative Assessment
Homework/Assignment
Author:
TERESA STEBELTON
Date Added:
06/08/2020
Remix
Fencing
Conditional Remix & Share Permitted
CC BY-NC
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1.0 stars
Overview:

Students will use distance and perimeter on the coordinate plane to determine which fence company offers the best price for fencing a yard. Depending on the level of the class, students can use the Pythagorean Theorem or the distance formula.

Subject:
Mathematics
Material Type:
Activity/Lab
Assessment
Formative Assessment
Homework/Assignment
Author:
CARLA JOYNER
Date Added:
11/06/2019
Remix
Fencing
Conditional Remix & Share Permitted
CC BY-NC
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Overview:

Students will use distance and perimeter on the coordinate plane to determine which fence company offers the best price for fencing a yard. Depending on the level of the class, students can use the Pythagorean Theorem or the distance formula.

Subject:
Mathematics
Material Type:
Activity/Lab
Assessment
Formative Assessment
Homework/Assignment
Author:
PATRICIA NORTON
Date Added:
07/10/2020
Fencing Your Property
Conditional Remix & Share Permitted
CC BY-NC
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Overview:

Students will use distance and perimeter on the coordinate place to determine which fence company offers the best price for fencing a yard. Depending on the level of the class, students can use the Pythagorean Theorem or the distance formula.

Subject:
Mathematics
Material Type:
Activity/Lab
Assessment
Formative Assessment
Homework/Assignment
Author:
JOY MCCORMICK
Date Added:
11/06/2019
Finding Distance Using the Pythagorean Theorem
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Educational Use
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Overview:

This lesson uses mathematical and real-world problems to teach students to find the distance between two points in a coordinate system. Students will: learn to find the distance between two points in a coordinate system given the coordinates of both points; learn that the formula used to find the distance between two points is an alternate form of the Pythagorean theorem.

Subject:
Mathematics
Material Type:
Lesson Plan
Provider:
Commonwealth of Pennsylvania
Author:
Commonwealth of Pennsylvania
Date Added:
04/23/2019
The Pythagorean Theorem: Grade 8 Mathematics Module 7, Topic C, Lesson 15
Conditional Remix & Share Permitted
CC BY-NC-SA
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Overview:

For this lesson, students know that the Pythagorean Theorem can be interpreted as a statement about the areas of similar geometric figures constructed on the sides of a right triangle. Students explain a proof of the Pythagorean Theorem.

Subject:
Mathematics
Material Type:
Lesson Plan
Provider:
EngageNY
Date Added:
02/24/2017
The Pythagorean Theorem: Square Areas
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CC BY-NC-ND
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4.0 stars
Overview:

This lesson unit is intended to help teachers assess how well students are able to: use the area of right triangles to deduce the areas of other shapes; use dissection methods for finding areas; organize an investigation systematically and collect data; deduce a generalizable method for finding lengths and areas (The Pythagorean Theorem.)

Subject:
Geometry
Material Type:
Assessment
Lesson Plan
Provider:
Shell Center for Mathematical Education
Provider Set:
Mathematics Assessment Project (MAP)
Date Added:
06/24/2019
Pythagorean Theorem Unit Overview
Unrestricted Use
Public Domain
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Overview:

In this unit students will:-Understand Pythagorean Theorem-Use Converse of Pythagorean Theorem to prove if a triangle is a right triange-Use Pythagorean Theorem to find distance between two points on a coordinate plane-Use Pythagorean Theorem to solve real world problem situations

Subject:
Mathematics
Material Type:
Unit of Study
Author:
Lindsey Fodrie
Date Added:
06/21/2021