| Cartesian Coordinate System |
Lesson: Introduces students to plotting points on the Cartesian coordinate system -- an alternative to "Graphing and the Coordinate Plane."
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| Graphs and Functions |
Lesson: Demonstrates the connections between formulas and graphs.
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| Introduction to Functions |
Lesson: Introduces the basic ideas needed for understanding functions.
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Function Machine |
Activity: Students investigate very simple functions by trying to guess the algebraic form from inputs and outputs. Function Machine is one of the Interactivate assessment explorers.
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Linear Function Machine |
Activity: Students investigate linear functions by trying to guess the slope and intercept from inputs and outputs. Linear Function Machine is one of the Interactivate assessment explorers.
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Maze Game |
Activity: Investigate the Cartesian coordinate system by directing a robot through a mine field laid out on the plane. Maze Game is one of the Interactivate assessment explorers.
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Order of Operations Four |
Activity: A game like Fraction Four but instead of fraction questions the player must answer order of operations questions (addition / subtraction, multiplication / division, exponents, and parentheses) to earn a piece to place on the board. Parameters: time limit, difficulty level, types of questions. Order of Operations Four is one of the Interactivate assessment games.
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Order of Operations Quiz |
Activity: This activity allows the user to practice order of operations with addition / subtraction, multiplication / division, exponents, and parentheses. Order of Operations Quiz is one of the Interactivate assessment quizzes.
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Positive Linear Function Machine |
Activity: Students investigate linear functions with positive slopes by trying to guess the slope and intercept from inputs and outputs.
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Possible or Not |
Activity: Review the properties of functions by looking at ten different curves and deciding whether or not they meet the criteria for a graph of a function. This activity simply displays the curves - it does not quiz the user.
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Simple Plot |
Activity: Plot ordered pairs of numbers, either as a scatter plot or with the dots connected. Points are connected from right to left, rather than being connected in the order they are entered.
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Vertical Line Test |
Activity: Learn about the vertical line test for functions by trying to connect points in the plane to build a function. When you have connected all of the points, you will be told if your graph is a valid graph of a function. Vertical Line Test is one of the Interactivate assessment explorers.
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Whole Number Cruncher |
Activity: Give input to the Whole Number Cruncher and try to guess what it did from the output it generates. This activity only generates multiplication and addition functions to avoid outputting any negative numbers. Whole Number Cruncher is one of the Interactivate assessment explorers.
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