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Converting Decimal Representations of Rational Numbers to Fraction Rep
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Standard 8.NS.1 requires students to "convert a decimal expansion which repeats eventually into a rational number." Despite this choice of wording, the numbers in this task are rational numbers regardless of choice of representation. For example, 0.333 and 1/3 are two different ways of representing the same number.

Subject:
Math
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
05/01/2012
DLC Blended Learning Math 9 - Unit 3.1: Rational Numbers - What is a Rational Number?
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The purpose of this lesson is to compare and order rational numbers.

Included is a YouTube video to support Grade 9 Blended Learning Math - Unit 3.1: Rational Numbers - What is a Rational Number?

Subject:
Math
Material Type:
Activity/Lab
Homework/Assignment
Lesson
Provider:
Sun West Distance Learning Centre (DLC)
Date Added:
06/18/2019
DLC Blended Learning Math 9 - Unit 3.2: Rational Numbers - Adding Rational Numbers
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The purpose of this lesson is to solve problems that require adding rational numbers.

Included is a YouTube video to support Grade 9 Blended Learning Math - Unit 3.2: Rational Numbers - Adding Rational Numbers.

Subject:
Math
Material Type:
Activity/Lab
Homework/Assignment
Lesson
Provider:
Sun West Distance Learning Centre (DLC)
Date Added:
06/18/2019
DLC Blended Learning Math 9 - Unit 3.3: Rational Numbers - Subtracting Rational Numbers
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The purpose of this lesson is to solve problems that involve subtracting rational numbers.

Included is a YouTube video to support Grade 9 Blended Learning Math - Unit 3.3: Rational Numbers - Subtracting Rational Numbers.

Subject:
Math
Material Type:
Activity/Lab
Homework/Assignment
Lesson
Provider:
Sun West Distance Learning Centre (DLC)
Date Added:
06/18/2019
DLC Blended Learning Math 9 - Unit 3.4: Rational Numbers - Multiplying Rational Numbers
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The purpose of this lesson is to solve problems that require the multiplication of rational numbers.

Included is a YouTube video to support Grade 9 Blended Learning Math - Unit 3.4: Rational Numbers - Multiplying Rational Numbers.

Subject:
Math
Material Type:
Activity/Lab
Homework/Assignment
Lesson
Provider:
Sun West Distance Learning Centre (DLC)
Date Added:
06/18/2019
DLC Blended Learning Math 9 - Unit 3.5: Rational Numbers - Dividing Rational Numbers
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The purpose of this lesson is to solve problems that require the division of rational numbers.

Included is a YouTube video to support Grade 9 Blended Learning Math - Unit 3.5: Rational Numbers - Dividing Rational Numbers.

Subject:
Math
Material Type:
Activity/Lab
Homework/Assignment
Lesson
Provider:
Sun West Distance Learning Centre (DLC)
Date Added:
06/18/2019
DLC Blended Learning Math 9 - Unit 3.6: Rational Numbers - Order of Operations with Rational Numbers
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The purpose of this lesson is to explain and apply the order of operations with rational numbers.

Included is a YouTube video to support Grade 9 Blended Learning Math - Unit 3.6: Rational Numbers - Order of Operations with Rational Numbers.

Subject:
Math
Material Type:
Activity/Lab
Homework/Assignment
Lesson
Provider:
Sun West Distance Learning Centre (DLC)
Date Added:
06/18/2019
Free Units, Curriculum & Other Supports - Core Knowledge Foundation K-9
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"The Core Knowledge Foundation provides open access to content-rich curriculum materials for preschool through grade 8, including the Core Knowledge Curriculum Series™, with many materials now available and many more in development."

You will need to provide your email address to download these amazing resources. CK has aligned their ELA to the Science of Reading in collaboration with Amplify Reading.
*Full Units
*Books for Students
*Teaching Materials
*Scope & Sequence

Subject:
Arts Education
English Language Arts
Health & Fitness
Health Education
Math
Science
Material Type:
Activity/Lab
Lesson
Primary Source
Teaching/Learning Strategy
Textbook
Unit of Study
Author:
Core Knowledge Foundation
Date Added:
11/01/2023
How Big Is Infinity?
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Using the fundamentals of set theory, explore the mind-bending concept of the "infinity of infinities" -- and how it led mathematicians to conclude that math itself contains unanswerable questions.

Subject:
Math
Material Type:
Lesson
Provider:
TED
Provider Set:
TED-Ed
Author:
Dennis Wildfogel
Date Added:
10/11/2018
Identifying Rational Numbers
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This task requires students to determine whether a number is rational or irrational. The task assumes that students are able to express a given repeating decimal as a fraction.

Subject:
Math
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
05/01/2012
MIT BLOSSOMS Initiative: Math & Science Video Lessons for High School Students
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"BLOSSOMS video lessons are enriching students' learning experiences in high school classrooms...Our Video Library contains over 100 math and science lessons, all freely available to teachers as streaming video and Internet downloads and as DVDs and videotapes."

Learn about:
*biology
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*engineering
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*physics

Select Videos (then video library), Projects or Resources (then your subject) from the top menu and the subject you'd like resource for to get started.

Subject:
Biology
Calculus
Chemistry
Math
Physical Science
Physics
Science
Material Type:
Activity/Lab
Lesson
Author:
MIT
Date Added:
04/30/2024
Open Access Assets for Mathematics 9
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CC BY-NC
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The following file contains the assets (or resources) to accompany the Sask DLC Grade 9 Mathematics. Please note that this is not the content of the course, but the assets used to support and deliver it. The files are organized in a zipped folder. You can download it and extract the files. Links are also provided to other materials like videos and other suggested resources. 

Subject:
Math
Material Type:
Activity/Lab
Lesson
Open Access Asset
Unit of Study
Author:
Sask DLC
Date Added:
09/08/2023
Operations with Rational and Irrational Numbers
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This task has students experiment with the operations of addition and multiplication, as they relate to the notions of rationality and irrationality.

Subject:
Math
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
02/11/2014
Rational or Irrational?
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This task makes for a good follow-up task on rational irrational numbers after that the students have been acquainted with some of the more basic properties. In addition to eliciting several different types of reasoning, the task requires students to rewrite radical expressions in which the radicand is divisible by a perfect square (N-RN.2).

Subject:
Math
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
09/13/2012