Shodor Education Foundation
Shodor Interactivate: Identity Properties
The resource consists of a discussion between a mentor and two students about how to use additive and multiplicative identity and inverse properties. Examples and explanations of each are included.
Oswego City School District
Regents Exam Prep Center: Practicing With Properties of Real Numbers
Test your knowledge of the number properties. This challenging practice really puts you to the test. Assessment covers all number theory properties: associative, commutative, distributive, inverse, and identity.
Oswego City School District
Regents Exam Prep Center: More Practice With Properties of Real Numbers
How well do you know your number properties? Take this quiz and find out what you know or what you don't know. Immediate feedback. Check your answer right online.
Purple Math
Purplemath: Basic Number Properties: Associative, Commutative, and Distributive
This Purplemath lesson includes many different number properties explained by using examples.
Goodwill
Gcf Global: Reciprocals and Inverse Numbers
Read this tutorial to learn about reciprocal and inverse numbers and how they work.
Illustrative Mathematics
Illustrative Mathematics: 4.oa Comparing Growth, Variation 2
The purpose of this task is to assess students' understanding of multiplicative and additive reasoning. Aligns with CCSS.Math.Content.4.OA.A.1 Interpret a multiplication equation as a comparison
University of Georgia
University of Georgia: Intermath Dictionary: Additive Inverse
"What happens when you add opposite numbers together?" Understanding the additive inverse will help you to answer this questions. An explanation of additive inverse with examples and non-examples.
CK-12 Foundation
Ck 12: Arithmetic: Subtraction of Rational Numbers
[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn how to subtract rational numbers. Students examine guided notes, review guided practice, watch instructional videos and attempt...
CK-12 Foundation
Ck 12: Algebra: Number Lines Study Guide
This comprehensive study guide highlights the main terms and formulas needed to review number lines. Examples are included.
PBS
Pbs: Additive Inverse
This animated Math Shorts video from the Utah Education Network explains the term additive inverse and provides several examples that demonstrate the concept. In the accompanying classroom activity, students create equations and solve...
Common Core Sheets
Common Core Sheets: Finding Opposites [Pdf]
This site provides worksheets covering the concept of finding opposites also know as additive inverses. There are ten worksheets and each has an answer key. All files are grouped together as a pdf file.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Opposites
Find a quick, concise explanation of the property of opposites. Several examples are given and clearly explained.
ClassFlow
Class Flow: Additive Inverse Property
[Free Registration/Login Required] This flipchart explores the Additive Inverse Property.
Help Algebra
Help algebra.com: Properties of Real Numbers
Both additive and multiplicative properties of real numbers are presented on this page. An example demonstrates the distributive property.