Interactive
CK-12 Foundation

Exponential Decay: Cool Sunglasses

For Students 10th - 12th Standards
Who wouldn't want to wear four pairs of sunglasses? Each pair of sunglasses reduces the percent of incoming light by one-half. An interactive tutorial helps young mathematicians build a graph that models this scenario. They...
Assessment
Concord Consortium

Three Circles

For Students 9th - 12th Standards
Round and round and round we go. Given a diagram of three circles, two of which share a point with the third circle, learners identify the radius of each circle. Doing so requires setting up and solving a system of equations based on the...
Lesson Plan
Curated OER

Word Problem Day

For Teachers 9th - 11th
Students solve word problems using algebra. In this algebra lesson plan, students rewrite problems using algebraic symbols and representations. They work together to find the answers to real life scenarios using math.
Worksheet
Curated OER

Circular Reasoning

For Students 9th - 11th
This algebra worksheet contains 1 circular reasoning problem for students to solve. They must rewrite word problems using algebraic symbols to identify the solution. The solution along with a full explanation are included.
Worksheet
Curated OER

Numbers and Operations

For Students 9th - 11th
In this algebra worksheet, students solve a word problem using algebraic expressions. An answer key is provided.
Lesson Plan
Curated OER

Graph Creator

For Teachers 7th - 9th
Students rewrite equations using algebraic symbols. In this algebra lesson plan, students graph linear equations using the slope and y intercept. They make predictions about their graphs and analyze the results.
Lesson Plan
Curated OER

Tower of Hanoi

For Teachers 9th - 11th
Students create a plan to solve word problems. In this algebra lesson, students identify important steps to take when setting up a word problem. They relate algebra to the real world.
Lesson Plan
Curated OER

Problem Solving With Fractions

For Teachers 6th
Sixth graders solve and analyze fractions. In this algebra instructional activity, 6th graders solve fractions using addition, subtraction, multiplication and division. They work in groups and do peer-review.
Lesson Plan
Curated OER

Exploring Multiplication Functions

For Teachers 4th
Fourth graders investigate the terms "factor" and "product." In this mathematics lesson, 4th graders practice solving problems to find the products and factors present in different algebraic expressions.
Lesson Plan
Curated OER

Simplifying Expressions (Multiplication and Division)

For Teachers 7th
Seventh graders simplify algebraic expressions using multiplication and division to combine like items and solve for the variable. They work with inverse operations to solve equations with guided practice. Students complete various...
Lesson Plan
Curated OER

Outbreak!

For Teachers 11th
Eleventh graders explore the spread of a disease through a population.  In this Algebra II lesson, 11th graders analyze graphical data representing they spread of a disease.  Students produce a graph of the virus data,...
Lesson Plan
Texas Instruments

Golden Ratio Lab

For Teachers 9th - 12th Standards
Learners investigate the Golden Ratio in this algebra I or geometry lesson. They explore the Golden Ratio as the conduct an experiment in which they collect various measurement from their team members and find the regression equations...
Lesson Plan
Curated OER

Functions As Relationships

For Teachers 9th - 12th
In this algebra worksheet, students read the information about the relationships of functions and then they fill in the graphic organizer with the information at the bottom of the page.
Lesson Plan
Curated OER

Functions As Equations

For Teachers 9th - 12th
In this algebra worksheet, students use the given values for the functions to create a pattern of solving an equation that is extended into a word problem.
Lesson Plan
Curated OER

Solving Single Variable Linear Equations Worksheet

For Teachers 7th - 10th
In this algebra worksheet, students solve single variable linear equations. They solve 18 given equations for the given variable in each.
Worksheet
Curated OER

Quotable Puzzles

For Students 7th - 9th
In this algebra puzzle worksheet, students evaluate 25 different expressions using the values provided for a, b, c, x, y, and z. They then match the answer to the correct letter of the alphabet and use the letters to solve the quotation...
Worksheet
Curated OER

Homework: Open Sentences

For Students 7th - 9th
In this algebra worksheet, learners determine whether each of the first 6 equations are true or false for the variables given. They then find the solution for each of the next 6 equations or inequalities using the replacement set for x....
Worksheet
Curated OER

Sunshine Math-3: Mars, XIX

For Students 6th - 8th
In this math skills learning exercise, students solve the 8 problems on the page using various math skills. The problems involve math puzzles, story problems, logic games and basic algebra.
Worksheet
Curated OER

Solving Multiplication Equations

For Students 7th - 8th
In this multiplication instructional activity, learners solve simple algebra equations containing one variable. This one-page instructional activity contains 24 multi-step problems.
Worksheet
Curated OER

Solution or Not? #1

For Students 7th - 10th
In this algebra worksheet, students solve 6 problems where they are given an ordered pair and 2 linear equations. Students determine whether the ordered pairs are a solution to the linear equations given.
Lesson Plan
Curated OER

Reciprocals of Quadratic Functions

For Teachers 11th
Eleventh graders investigate inverse functions.  In this Algebra II lesson, 11th graders use their prior knowledge of linear, exponential,and quadratic functions to create a graph of an equation they have never seen before.
Worksheet
Curated OER

LCM: Variables and Exponents

For Students 7th - 10th
In this algebra worksheet, students determine the least common multiple of variables with exponents. There are 10 questions and a provided workspace.
Lesson Plan
Curated OER

Time Trials

For Teachers 8th - 10th
Students investigate speed, time and distance. In this algebra lesson, students utilize their knowledge of linear equations to solve problems related to time, speed and distance. This assignment is hands on using two toy race cars.
Lesson Plan
Curated OER

Quadratic Modeling Of Canada's Baby Boom

For Teachers 9th - 12th
Students model quadratic equations. For this algebra lesson, students are given data to graph using a function. They investigate vertex and transformation of quadratic functions.