Ten minute (or shorter or longer) activities for the Elementary Algebra (or equivalent) course.

Can't find what you're looking for? Do you have an exemplary activity you'd like to contribute? Have a question? email: brhodehamel@projects.sdsu.edu

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Slope

by Terrie Teegarden

Given a graph of y = x and y = -x, students are asked to determine if a series of linear functions have graphs which are steeper or less steep than these two basic graphs.
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Real Number Relationships

by Terrie Teegarden

This activity has the student determine is a particular relationship between real numbers is always true, can be true or is never true. This activity was found among my handouts, however I can't find the original source.
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Sign Number Game

by Terrie Teegarden

This game uses decks of cards where red cards are negative and black cards are positive. Students draw two cards and determine the value based on whether they are asked to add, subtract, multiply or divide. This game came from a session at AMATYC however I can't find the original. I have added some components.
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This activity is designed to encourage critical thinking on problems involving rates, specifically problems involving "working together".
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This worksheet give variations on a standard problem involving "working together". Students are asked to only set up equations corresponding to this exercises.
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Geometry Vocabulary

by Terrie Teegarden

This activity includes vocabulary about lines, angles, triangles and polygons. The entire activity has over 40 definitions, but it can be broken down into appropriate components.
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I have - Absolute Value

by Terrie Teegarden

This is a game where each student has one or more cards with an absolute value equation or inequality and the solution to such a problem. The first person begins with their problem and the entire group solves it to determine who has the solution on their card. They then give their problem. The students continue solving the problems until they return to answer on the original card.
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Using a compass and the Pythagorean theorem, students construct the irrational numbers on the number line.
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An introductory activity in graphing lines.
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This is an introductory activity in graphing linear inequalities
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This activity is designed to help students connect various representations (verbal, tabular, graphical) of linear functions. The activity is designed to be completed in groups of 2. This would be an appropriate review activity towards the end of the unit on graphing linear functions.
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Slope and rate

by Theresa Gallo

This activity asks students to analyze a graph consisting of linear segments; the water depth of a tub is given as a function of time. They're asked to determine what the man doing minute by minute?
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This simple and short activities takes some interesting facts from the Environmental Working Group's report: A Meat Eater's Guide to Climate Change and Health. Students are asked a few questions which requires them to set up equations and solve.
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