Curated OER
Matrices In Encryption And Decryption Of Codes
Students relate Cryptography to the solving of simultaneous linear equations in matrix notation. They explore various methods of encrypting and decrypting codes. Pupils discuss and solve simultaneous linear equations.
Curated OER
Mixed Expressions and Complex Fractions
Students are introduced to mixed expressions and complex fractions. They work through several problems with the instructor and then complete a worksheet.
Curated OER
Circles and Clocks, Shapes and Time
Students work in groups to research clocks and practice telling time. For this telling time lesson, students use the computer program ProQuest to study circles, including radius and diameter, and practice drawing circles using a compass....
Cuemath
Cuemath: Inverse Operations
Explore the world of inverse operations by finding answers to questions like what are inverse operations, what are properties of inverses, and how to use inverse operations with help of interactive questions on inverse operations.
CK-12 Foundation
Ck 12: Algebra: Inverse Property of Addition in Decimal Equations
[Free Registration/Login may be required to access all resource tools.] Identify and apply the inverse property of addition in decimal operations with expressions
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Inverse Operations
Find a quick, concise explanation of inverse operations as in addition and subtraction, multiplication and division, and to a certain extent exponents and logarithms. Examples are given and clearly explained.
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra
This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...
CK-12 Foundation
Ck 12: Algebra: One Step Equations and Inverse Operations
[Free Registration/Login may be required to access all resource tools.] In this lesson students solve equations involving addition and subtraction. Students examine guided notes, review guided practice, watch instructional videos and...
CK-12 Foundation
Ck 12: Algebra: One Step Equations and Inverse Operations
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn how to solve one-step equations. Students examine guided notes, review guided practice, watch instructional videos and attempt practice...
CK-12 Foundation
Ck 12: Algebra: Inverse Property of Addition in Fraction Equations
[Free Registration/Login may be required to access all resource tools.] Identify and apply the inverse property of addition in fraction operations
Wikimedia
Wikipedia: Additive Inverse
What is additive inverse? It means "opposite." Find out more about this concept in this detailed definition with examples and links to related terms.
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.
CK-12 Foundation
Ck 12: Algebra: One Step Equations and Inverse Operations
[Free Registration/Login may be required to access all resource tools.] In this lesson, students will be solving an equation with one step. Students examine guided notes, review guided practice, watch instructional videos and attempt...
PBS
Pbs Learning Media: Cyberchase: Bianca the Spy
Cyberchase video introduces the idea of inverse operations as Bianca imagines herself as a spy. [3:26]
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: Algebra: Single Variable Multiplication Equations
[Free Registration/Login may be required to access all resource tools.] Solve single variable equations involving multiplication by applying inverse operations.
CK-12 Foundation
Ck 12: Algebra: Single Variable Division Equations
[Free Registration/Login may be required to access all resource tools.] Solve single variable equations involving division by applying inverse operations.
Utah Education Network
Uen: Equivalent Expressions
This multi-segment lesson plan uses games and calculators to explore the concept of equivalent expressions. Learners work together using inverse operations to isolate variables in algebraic equations. It also provides attachments for...
CK-12 Foundation
Ck 12: Algebra: One Step Equations and Inverse Operations
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn how to solve one-step equations. Students examine guided notes, review guided practice, watch instructional videos and attempt practice...
Quia
Intermediate Test Prep: Math 6: Solving Two Step Equations
Learn how to solve and explain two-step equations using whole numbers and inverse operations. Complete the lessons and practice activity and then play the interactive games to test your skills.
Other
Morgan State: Linear Algebraic Equations and Matrices
This site gives information on linear equations and matrices. Among the topics discussed are the substitution method, Gauss-Jordan Elimination Method, matrix operations, matrix multiplication, and inverse matrices.
Lawrence Hall of Science
The Math Page: Skill in Algebra: Linear Equations
Here is a site that clearly and thoroughly explains solving linear equations, from the basic form ax+b=c up through equations with variables on both sides and with parentheses. There are example problems solved, problems for the student...
CK-12 Foundation
Ck 12: Algebra Ii: 3.5 Using Logs to Solve Exponential Functions
This section explores logarithms as operations that are the inverse of exponents. It investigates the process for "undoing" or "eliminating" variable exponents when solving exponential equations.
CK-12 Foundation
Ck 12: Algebra: Division to Solve Decimal Equations
[Free Registration/Login may be required to access all resource tools.] This site helps students to learn to identify and apply the inverse property of multiplication in decimal operations with expressions. Students master the concept by...