Curated OER
Rules of Sign Change
Students manipulate negative and positive numbers. In this integers lesson, students move through three activities exploring negative and positive whole numbers. A number line, cardboard function representation, and solving expressions...
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
How Many Bears in the Forest?
Third graders model the tag and recapture of bears and use proportions to estimate the population of the bears in their forest. This is a statistical sampling method used by scientists and naturalists to determine population numbers.
Curated OER
Figure This!
Second graders explore the concept of inequalities. They use the mathematical symbols =, <, > to show relationships among numbers. Students devise and use problem solving strategies to explore the situation.
Curated OER
Virtual Field Trip/ Gasoline Cost
Young scholars complete a word problem to determine the cost of gasoline per mile of their virtual field trip. They determine the travel time and gasoline costs for two routes and record the information on a data sheet. They check their...
CK-12 Foundation
Ck 12: Algebra: Single Variable Addition Equations
[Free Registration/Login may be required to access all resource tools.] Solve single variable addition equations
CK-12 Foundation
Ck 12: Mountain Climbing: Single Variable Addition Equations
[Free Registration/Login Required] Students use a graoh of a mountian climb to solve addition equations with varibles. Click challenge me to answer practice questions and click learn more to watch a video.
CK-12 Foundation
Ck 12: Algebra: Single Variable Addition Equations
[Free Registration/Login may be required to access all resource tools.] Solve single variable equations involving addition.
McGraw Hill
Glencoe: Self Check Quizzes 3 Solving Addition and Subtraction Equations
Use Glencoe's Math Course 3 randomly generated self-checking quiz to test your knowledge of solving addition and subtraction equations. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of...
McGraw Hill
Glencoe: Self Check Quizzes 2 Solving Addition and Subtraction Equations
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of solving addition and subtraction equations. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of...
J Coffman
Joseph Coffman's Lecture Notes: Solving Systems of Equations Algebraically
The lesson explores solving systems of equations algebraically. Topics discussed are the elimination method, substitution method, addition property, and special cases. Examples with detailed solutions and an assessment are included.
Oswego City School District
Regents Exam Prep Center: Solving Systems Using Addition or Subtraction
Three examples are used to demonstrate solving a system of linear equations algebraically using addition and subtraction. The examples cover different situations that occur with the coefficients of the variable terms. Includes several...
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.
Better Lesson
Better Lesson: Introduction to Solving Equations
Sixth graders work with the concept of equality and balance to solve one and two-step algebraic equations.
Khan Academy
Khan Academy: Equation Practice With Segment Addition
Given an information about the lengths of line segments, form and solve an equation in order to find the lengths of the segments. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
CK-12 Foundation
Ck 12: Addition and Subtraction Phrases as Equations
[Free Registration/Login may be required to access all resource tools.] Write addition and subtraction verbal phrases as single variable equations.
CK-12 Foundation
Ck 12: Algebra: Multi Step Equations With Like Terms
[Free Registration/Login may be required to access all resource tools.] In this lesson students solve equations by combining like terms. Students examine guided notes, review guided practice, watch instructional videos and attempt...
Math.com
Math.com: Equations and Inequalities: Addition & Subtraction Equations
Learners review how to solve algebraic equations using addition and subtraction. The tutorial consists of notes, examples, and practice exercises.
Khan Academy
Khan Academy: Equation Practice With Angle Addition
Given the sum of a pair of angles and the algebraic expressions that represent them, form and solve an equation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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,...
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra: Linear Equations in One Variable
After completing this tutorial, you'll know what a linear equation is and how to solve one using various arithmetic properties. Contains several definitions, problems with step-by-step solutions, and practice exercises. Includes links to...
Interactive Mathematics
Interactive Mathematics: Basic Algebra
Interactive lessons are provided for many topics in algebra, including: laws of algebra, powers, roots and radicals, algebraic expressions, equations, and more. Use the links to navigate the tutorial and learn more focused concepts. The...
Oswego City School District
Regents Exam Prep Center: Systems of Linear Equations
This website contains tutorials that cover the methods used to solve linear equations, substitution, elimination (adding & subtracting), and graphing. The practice pages allow students to practice the skills they have learned. On the...
CK-12 Foundation
Ck 12: Algebra: Mental Math for Addition and Subtraction Equations
[Free Registration/Login may be required to access all resource tools.] Solve single variable addition and subtraction equations by using mental math