Texas Education Agency
Texas Gateway: Solving Systems of Equations With Algebraic Methods
Given verbal and/or algebraic descriptions of situations involving systems of two-variable linear equations, the student will solve the system of equations by different methods.
Scholastic
Scholastic: Solving the Unknown With Algebra
Students will learn and reinforce skills for solving for unknowns, manipulating equations while keeping them in balance, using formulas to solve real-world challenges, and working with proportions, radicals and exponents.
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...
Other
Pennsylvania Standards Aligned System: Using Expressions and Equations
This lesson provides learners with opportunities to practice writing equivalent equations and expressions for finding perimeter and patterns on a calendar. It also gives extension and remediation ideas as well as related instructional...
Khan Academy
Khan Academy: Equations and Inequalities Word Problems
Construct an equation or an inequality that models a given context. Modeling expressions can be quadratic, rational, or exponential. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video,...
CK-12 Foundation
Ck 12: Algebra: Linear Systems With Multiplication
[Free Registration/Login may be required to access all resource tools.] Solve linear systems using multiplication.
Alabama Learning Exchange
Alex: The Pattern of Graphing Linear Equations
The middle schoolers will extend the knowledge of algebraic expressions from geometric representations and ultimately graph linear equations with understanding. The students will also develop a better understanding of algebraic...
Illustrative Mathematics
Illustrative Mathematics: A ced.a.4: Equations and Formulas
For this exercise, students will use inverse operations to solve the equations for the unknown variable, or for the designated variable if there is more than one. Aligns with A-CED.A.4.
CK-12 Foundation
Ck 12: Interactive Geometry: 9.5 Modeling in Three Dimensions
Explore connections between a 2-dimensional net and a 3-dimensional box. Later in this section, use equations with variables to solve real world problems that use 2 and 3-dimensional objects.
Cuemath
Cuemath: Linear Equations in Two Variables
A comprehensive guide for learning all about linear equations in two variables with definitions, how to solve them, solved examples, and practice questions.
Better Lesson
Better Lesson: Working With Expressions and Equations Part 2
Sixth graders use substitution to find the values of equations and expressions they wrote using appropriate math symbols.
Alabama Learning Exchange
Alex: Systems on a Mission
After solving one system of equations by the methods of graphing, elimination using addition or subtraction, elimination using multiplication, and substitution, students will be given four systems to be solved by one of each of the four...
Oswego City School District
Regents Exam Prep Center: Linear Quadratic Systems
Resources to use when planning instruction on linear-quadratic systems. Find lessons on solving systems algebraically and graphically, a practice quiz with solutions, and a worksheet through which students investigate and solve systems.
Illustrative Mathematics
Illustrative Mathematics: 8.ee the Sign of Solutions
Eighth graders are presented with five linear equations with one variable and are asked to state whether they have a positive solution, a negative solution, a zero solution, or no solution. Aligns with 8.EE.C.7.
Illustrative Mathematics
Illustrative Mathematics: A ced.a.1: Planes and Wheat
This is an exercise in creating equations from a situation with many variables. By giving three different scenarios, learners will be reviewing their definitions of the variables to emphasize the importance of defining variables when...
Illustrative Mathematics
Illustrative Mathematics: A ced.a.2: Silver Rectangle
This task provides a geometric context for working with ratios and algebraic equations. Students will create and then solve an algebraic equation describing a remarkable shape, the silver rectangle. Aligns with A-CED.A.2.
Shodor Education Foundation
Shodor Interactivate: Lesson: Arithmetic Practice W/ Ordered Pairs
The Shodor Education Foundation provides this lesson plan to have students practice simple computation that results in them graphing their answers. If they are accurate they will have a straight line. Students use an interactive...
Illustrative Mathematics
Illustrative Mathematics: A Rei Quinoa Pasta 2
For this problem, students must determine how much quinoa and how much corn are in a type of pasta. They must study the ingredient list which shows the protein content of the pasta. They know that quinoa has more protein than corn and...
Shodor Education Foundation
Shodor Interactivate: Lesson: More Complicated Functions: Intro Linear Functions
In this lesson, young scholars learn about linear functions and how they can be represented as rules and data tables. Includes a worksheet with exploration questions to accompany an interactive Linear Function Machine. The lesson plan is...
CK-12 Foundation
Ck 12: Algebra: Inequalities With Multiplication and Division
[Free Registration/Login may be required to access all resource tools.] Learn how to solve one-step inequalities using multiplication and division. Students watch videos, examine guided notes and attempt practice problems in order to...
Illustrative Mathematics
Illustrative Mathematics: A rei.c.6: Estimating a Solution via Graphs
The purpose of this task is to give learners an opportunity use quantitative and graphical reasoning to detect an error in a solution. Aligns with A-REI.C.6.
TeachEngineering
Teach Engineering: Forces and Graphing
This activity can be used to explore forces acting on an object, to practice graphing experimental data, and/or to introduce the algebra concepts of slope and intercept of a line. A wooden 2x4 beam is set on top of two scales. Students...
Illustrative Mathematics
Illustrative Mathematics: A Rei Pythagorean Triples
This task has two separate goals: the first is to solve a pair of equations, one quadratic and the other linear. The second goal is to observe that a point that lies on a circle gives rise to a Pythagorean triple. Aligns with A-REI.C.7.
Wyzant
Wyzant: Chem Tutor: Gases
A lengthy page covering most all the gas laws. Each law is described in words and stated as an equation. The use of each law in solving problems is demonstrated. Some problem-solving tips are provided. There are 23 practice problems with...