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Number and Operations
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The study of numbers and operations is the cornerstone of the mathematics ...

The study of numbers and operations is the cornerstone of the mathematics curriculum. Learning what numbers mean, how they may be represented, relationships among them, and computations with them is central to developing number sense.

Subject:
Engineering
Material Type:
Full Course
Instructional Material
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
K-12 Outreach,
TeachEngineering.org
Overview of Mixed Operations (Numbers to 100) - Word Problems
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This short video and interactive assessment activity is designed to teach second ...

This short video and interactive assessment activity is designed to teach second graders an overview of mixed operations (numbers to 100) - word problems.

Subject:
Mathematics
Numbers and Operations
Material Type:
Assessments
Interactive
Video Lectures
Provider:
CK-12 Foundation
Provider Set:
CK-12 Elementary Math
Operations with Rational and Irrational Numbers
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This task has students experiment with the operations of addition and multiplication, ...

This task has students experiment with the operations of addition and multiplication, as they relate to the notions of rationality and irrationality.

Subject:
Mathematics
Material Type:
Activities and Labs
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Operations on the number line
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The purpose of this task is to help solidify students' understanding of ...

The purpose of this task is to help solidify students' understanding of signed numbers as points on a number line and to understand the geometric interpretation of adding and subtracting signed numbers.

Subject:
Mathematics
Material Type:
Activities and Labs
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics