Assessment
Inside Mathematics

Printing Tickets

For Teachers 9th - 12th Standards
Determine the better deal. Pupils write the equation for the cost of printing tickets from different printers. They compare the costs graphically and algebraicaly to determine which printer has the best deal based upon the quantity of...
Lesson Plan
EngageNY

An Appearance of Complex Numbers 1

For Teachers 11th - 12th Standards
Complex solutions are not always simple to find. In the fourth lesson of the unit, the class extends their understanding of complex numbers in order to solve and check the solutions to a rational equation presented in the first lesson....
Worksheet
Lake Zurich Community Unit

Inequality Word Problems

For Students 7th - 9th Standards
This inequality word problems activity is ideal to assess your learners' understanding of inequality and linear concepts around solving and writing equations and inequalities. Equations, graphs and real-life scenarios are used to...
Activity
Education Development Center

Making Sense of Unusual Results

For Students 6th - 8th Standards
Collaboration is the key for this equation-solving lesson. Learners solve a multi-step linear equation that requires using the distributive property. Within collaborative groups, scholars discuss multiple methods and troubleshoot mistakes.
Assessment
Mathematics Assessment Project

Best Buy Tickets

For Students 9th - 12th Standards
Everyone wants the best price when shopping — no matter what they are trying to buy. Given pricing information, pupils must solve a system of equations to determine the best option for printing tickets.
Interactive
PHET

Equality Explorer: Two Variables

For Students 6th - 12th Standards
Solving equations in two variables can't be that much harder than solving equations in one variable. Using a balance interactive, scholars solve equations in two variables. They apply inverse operations by adding -x, -y, or -1 as...
Lesson Plan
Illustrative Mathematics

Sammy's Chipmunk and Squirrel Observations

For Teachers 7th - 9th Standards
Here is a fun project. Sammy observes a chipmunk and a squirrel to see how many holes each needs in order to stash the same number of acorns.  Scholars could find the answer algebraically or create a table to analyze the...
Lesson Plan
Curated OER

Another Way of Factoring

For Teachers 8th - 10th Standards
Focusing on this algebra lesson, learners relate quadratic equations in factored form to their solutions and their graph from a number of different aspects. In some problems, one starts with the original equation and finds the...
Interactive
CK-12 Foundation

Cramer's Rule

For Students 10th - 12th Standards
Use matrices to solve systems of equations. The interactive introduces Cramer's Rule, using determinants of matrices to solve systems of equations. Color coding helps pupils place entries correctly from the system.
Worksheet
Curated OER

Practice Problems for Linear Equations and Graphs

For Students 8th - 9th
A worksheet that could also be used as a quiz presents students with 20 linear equations. They graph, solve for the slope, and intercepts of 8 equations. Students solve for the equation of a line, passing through given points for 6 sets...
Worksheet
Curated OER

Investigation: Linear Quadratic Systems

For Students 9th - 12th
Investigate linear quadratic systems and pose this question: Do all linear quadratic systems have two solutions? Do they all have a solution? Learners solve systems of equations through graphing. They indicate the points of intersection...
Lesson Plan
Illinois State Board of Education

Is It Linear?

For Teachers 6th - 9th Standards
Math apprentices are introduced to the components of a linear relationship. In groups, they write story problems that incorporate this relationship and relates to the real world. They give their problem to the class for them to solve.
Worksheet
Curated OER

Quadratic Equations

For Students 8th - 10th
In this algebra worksheet  uses factoring to solve and graph quadratic equations. The three page worksheet contains explanation of topic, worked examples and five practice problems. Answers are not provided. 
Worksheet
Curated OER

Worksheet #7

For Students 9th - 11th
In this maximum and minimum of values activity, students solve 4 problems, two of which are word problems, related to determining values of a given variable. First, they find the maximum value of P subject to its constraints. Then,...
Lesson Plan
Curated OER

Get Geared Up

For Teachers 9th - 11th
Middle schoolers calculate gear ratio as they solve word problems. They discuss and find slopes as they relate to real life. Additionally, they hey use ratio and proportion to make predictions and solve problems.
Worksheet
Curated OER

Determining the Point of Intersection Using the TI-83 Plus Calculator

For Students 8th - 10th Standards
Middle and high schoolers graph two lines and identify the point of intersection of each set of line. They use the TI calculator to help them graph and solve. There are six questions with detailed instruction on how to graph correctly.
Lesson Plan
Curated OER

Series Solution of the Time-Independent Schrödinger Equation

For Teachers 11th - Higher Ed
In this math worksheet, students find the solutions to the problems that apply the time-independent Schrödinger equation. They examine the relationship between the mass and energy.
Worksheet
Curated OER

Solving One-Step Linear Word Problems and Equations

For Students 8th - 10th
In this solving equations worksheet, students solve twenty one-step linear word problems and linear equations.  The solving linear equations problems are broken down into five steps each.
Worksheet
Curated OER

Linear Systems: Using Matrix Operations

For Students 12th - Higher Ed
In this linear systems learning exercise, students use matrix multiplication as an elimination technique to solve linear systems. They compare products and explore trends. This four-page learning exercise contains explanations,...
Worksheet
Curated OER

Multivariable Calculus: Linear Systems

For Students 12th - Higher Ed
In this linear system worksheet, students compute the determinant of a given matrix. They solve systems of equations and compute the inverse of a matrix. This two-page worksheet contains examples, explanations, and three multi-step...
Lesson Plan
Curated OER

Graphing Real World Situations

For Teachers 9th - 12th
Learners solve linear equations using graphs. For this algebra lesson, students depict real life situation using lines and functions. They identify the slope, data and predict graphing behavior.
Worksheet
Curated OER

Solving Quadratic Equations

For Students 9th
For this quadratic equations worksheet, 9th graders solve and complete 7 different problems that include factoring quadratics. First, they solve for the values of x that make the equation true. Then, students substitute their values into...
Lesson Plan
Curated OER

Balancing Equations

For Teachers 9th - 10th
Students balance equations using the correct method. In this algebra lesson, students solve linear equations using a virtual balance beam as a manipulative. They play games to reinforce the concept of equations being and staying balanced.
Worksheet
Curated OER

Linear Functions

For Students 9th - 11th
In this algebra worksheet, students solve linear equations by identifying the slope and y-intercept of the equation. They  have to rewrite some of the equations in to y= mx + b forms first. There are 4 questions with an answer key.