Shared Gizmo List: Polynomials

adding and factoring
Algebra I

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Shared by a middle and high school math and science teacher in Florida.

Polynomials

Addition of Polynomials Add polynomials using an area model. Use step-by-step feedback to diagnose any mistakes.
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Modeling the Factorization of ax2+bx+c Factor a polynomial with a leading coefficient greater than 1 using an area model. Use step-by-step feedback to diagnose any mistakes.
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Modeling the Factorization of x2+bx+c Factor a polynomial with a leading coefficient equal to 1 using an area model. Use step-by-step feedback to diagnose any mistakes.
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Factoring Special Products Choose the correct steps to factor a polynomial involving perfect-square binomials, differences of squares, or constant factors. Use the feedback to diagnose incorrect steps.
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Lines

Slope Explore the slope of a line, and learn how to calculate slope. Adjust the line by moving points that are on the line, and see how its slope changes.
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Slope (Classic) Examine the graph of two points in the plane. Find the slope of the line that passes through the two points. Drag the points and investigate the changes to the slope and to the coordinates of the points.
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Slope-Intercept Form of a Line Compare the slope-intercept form of a linear equation to its graph. Vary the coefficients and explore how the graph changes in response.
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Slope-Intercept Form of a Line (Classic) Compare the slope-intercept form of a linear equation to its graph. Find the slope of the line using a right triangle on the graph. Vary the coefficients and explore how the graph changes in response.
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Point-Slope Form of a Line Compare the point-slope form of a linear equation to its graph. Vary the coefficients and explore how the graph changes in response.
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Point-Slope Form of a Line (Classic) Compare the point-slope form of a linear equation to its graph. Vary the coefficients and explore how the graph changes in response.
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Defining a Line with Two Points (Classic) Place two points wherever you like. Compute the slope of the line between them. View the equation of that line in slope-intercept and point-slope form.
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Standard Form of a Line Compare the standard form of a linear equation to its graph. Vary the coefficients and explore how the graph changes in response.
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