Math Planet
Math Planet: Equations With Variables
Examples and video tutorials that teach how to solve equations that contain unknown variables.
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.
Department of Defense
Do Dea: Algebra 1: Semester 1: Equations
A learning module through which students learn about equations including the following: Translating words into equations and equations into words, The Properties of Equality to help solving equations, Techniques for solving simple...
Vision Learning
Visionlearning: Linear Equations in Science: Relationships With Two Variables
An introduction to the history of linear equations and how they relate to science.
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.
Illustrative Mathematics
Illustrative Mathematics: Hsa ced.a.2 Create Equations in Two or More Variables
Choose from a variety of creative problems (tasks) to teach how to create equations in two or more variables to represent relationships between quantities and graph equations on coordinate axes with labels and scales. Explanations and...
Khan Academy
Khan Academy: Equations & Inequalities Word Problems
HSA-CED.A.1: Interactive resource which create equations and inequalities in one variable and use them to solve problems. Include equations arising from linear and quadratic functions, and simple rational and exponential functions....
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.
PBS
Pbs: One Variable Equations: How Much Did He Read?
Visualize a word problem in multiple ways to develop your problem solving skills. This video focuses on converting a problem with fractions into a one-variable equation and alternately modeling it using unit blocks.
Georgia State University
Georgia State University: Hyper Physics: Ideal Gas Law With Constraints
Charles' law is derived from the ideal gas law. An equation of the ideal gas law under pressure constraints is given and the derivation is explained.
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.
Illustrative Mathematics
Illustrative Mathematics: A rei.b.4.a: Visualizing Completion of the Square
The purpose of this visualization task is to help provide geometric intuition for the algebraic process called ''completing the square.'' Aligns with HSA-REI.B.4.a.
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...
Cuemath
Cuemath: Algebraic Expression
This resource helps with understanding the concept of variables, constants, terms, and coefficients of any algebraic expression. Learn how to simplify algebraic expressions using algebraic formulas and the different types of expressions.
Illustrative Mathematics
Illustrative Mathematics: A Ced, a Rei Basketball
In this task, two brothers track how many games they have each won. Students are asked to make calculations based on the percentage of games won. They set up a rational equation (and a rational inequality) in one variable, and then solve...
Illustrative Mathematics
Illustrative Mathematics: A Rei, a Ced Cash Box
In this task, students are asked to construct equations in two variables to determine whether a loose coin beside a ticket box belongs with the money collected for tickets. They must then explain their reasoning. Aligns with A-CED.A and...
Illustrative Mathematics
Illustrative Mathematics: The Intersection of Two Lines
The purpose of this task is to introduce students to systems of equations. It takes skills and concepts that students know up to this point, such as writing the equation of a given line, and uses it to introduce the idea that the...
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.
Illustrative Mathematics
Illustrative Mathematics: A ced.a.3: Dimes and Quarters
This task requires students to recognize the pairs of linear equations in two variables that would be used to solve a given system of equations. Aligns with A-CED.A.3.
Illustrative Mathematics
Illustrative Mathematics: 8.ee Summer Swimming
The local swim center is making a special offer. They usually charge $7 per day to swim at the pool. This month swimmers can pay an enrollment fee of $30 and then the daily pass will only be $4 per day. Aligns with 8.EE.C.8.c.
Illustrative Mathematics
Illustrative Mathematics: 8.ee Quinoa Pasta 1
A type of pasta is made of a blend of quinoa and corn. The pasta company is not disclosing the percentage of each ingredient in the blend but we know that the quinoa in the blend contains 16.2% protein, and the corn in the blend contains...
Illustrative Mathematics
Illustrative Mathematics: A Sse Sum of Even and Odd
In this task, young scholars use the structure of an expression to find ways to rewrite it. They are asked to use the defining property of even and odd functions to manipulate expressions involving function notation and to see the...