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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.
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.
Texas Instruments
Texas Instruments: Determinants and Inverse Matrices
In these questions, students are asked to find the determinant and the inverse of four 2 x 2 matrices. These multiple choice questions have solutions provided.
Other
Sierra College: Elementary Algebra Review Sheet and Common Formulas
This review sheet includes important rules, properties, formulas, and equations needed to solve many Algebra problems.
Illustrative Mathematics
Illustrative Mathematics: 4.oa Comparing Growth, Variation 1
The purpose of this task is to foster a classroom discussion that will highlight the difference between multiplicative and additive reasoning. Aligns with CCSS.Math.Content.4.OA.A.1 Interpret a multiplication equation as a comparison
Lumen Learning
Lumen: Boundless Algebra: Inverse and Composite Functions
The resource discusses the topic of function composition. Includes multiple examples and a quiz on this topic.
Illustrative Mathematics
Illustrative Mathematics: 4.nbt Millions and Billions of People
The purpose of this task is to help students understand the multiplicative relationship between commonly used large numbers (thousands and millions) by using their understanding of place value. Aligns with 4.NBT.A.1.
Better Lesson
Better Lesson: Area of a Room: Basic Practice
Creating rooms with different dimensions but the same area improves understanding of multiplicative principles.
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.
Math Open Reference
Math Open Reference: Reciprocal
Learn about reciprocals with this site which offers detailed explanations and multiple examples. Topics covered include how to find a reciprocal of a fraction, number, or decimal.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Arithmetic Operations Including Dividing by a Fraction
A guide to support parents as they work with their students with arithmetic operations including dividing by a fraction.
Purple Math
Purplemath: Basic Number Properties: Associative, Commutative, and Distributive
This Purplemath lesson includes many different number properties explained by using examples.
CK-12 Foundation
Ck 12: Algebra: Mixed Numbers in Applications
[Free Registration/Login may be required to access all resource tools.] Solve real-world problems that involve multiplying and dividing real numbers.
CK-12 Foundation
Ck 12: Determinants
[Free Registration/Login may be required to access all resource tools.] Understand that the zero and identity matrices play a role in matrix addition and multiplication similar to the role of 0 and 1 in the real numbers. The determinant...
Massachusetts Institute of Technology
Mit: Useful Trigonometric Identities
This list of trigonometric identities includes the factoring formulas near the bottom. A great tool for reference.
Shodor Education Foundation
Shodor Interactivate: Equation Solver
This activity helps with understanding how to balance an algebraic equation. You input the term and the operation. The activity uses that term, operates on both sides of the equation, then displays the resulting equation.
Shodor Education Foundation
Shodor Interactivate: Solving Equations
Introduction to various algorithms for solving single-variable, linear equations.
Cuemath
Cuemath: Reciprocal Function
Explore the world of reciprocal functions in this mini-lesson. Discusses a definition its domain and range, graphing of the reciprocal function, solved examples on reciprocal functions, and interactive questions.
Oswego City School District
Regents Exam Prep Center: Properties of Real Numbers
This chart gives the definition of each Real Number Property with an example excellent for reference or review. Site by Oswego City School District.
Cuemath
Cuemath: Integers
The term "integer" was adapted in Mathematics from the Latin word "integer", which means intact or whole. Integers are very much like whole numbers, but they also include negative numbers. This article explains the properties of integers...
Oswego City School District
Regents Exam Prep Center: Who's Who? Properties of Real Numbers
A great opportunity for your students to practice their knowledge of the number properties with the card game. A quick way to help students learn.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Rational Numbers
A guide to support parents as they work with their students in rational numbers.
Discovery Education
Discovery Education: Web Math: Multiplying Complex Numbers
WebMath contains a program that calculates the multiplication of two or more complex numbers by inputting the problem.
CK-12 Foundation
Ck 12: Arithmetic: Division of Rational Numbers
[Free Registration/Login may be required to access all resource tools.] Divide rational numbers and simplify the quotient.
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