GeoGebra Math Example: Fertilizer and Mulch Purchase with Coupon

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2015-11-04 01:17

This example demonstrates how to use GeoGebra to calculate the total cost of purchasing fertilizer and mulch while applying a coupon discount. Core math concepts include algebraic operations, discount calculations, and coupon application. Construction highlights the use of commands like LaTeX, Corner, stepMax, stepper, steps, counter, RandomizationText, Original, Randomized, A, B, xmin, xmax, ymin, ymax, button1, fertilizer, mulch, discount, and various text objects. Suitable for high school mathematics education, illustrating algebraic applications and randomized computations.

GeoGebra Commands & Parameters

LaTeX(steps) → counter
LaTeX("\text{Use the buttons below to return to the original problem or}\cr\text{randomly generate a similar practice problem.}") → RandomizationText
Corner(1) → A
Corner(3) → B
LaTeX("\text{Identify the term(s) in the expression.}") → text6
LaTeX("\text{Identify the coefficient(s) in the expression. }") → text8
LaTeX("\text{Move the slider to solve the problem.}") → text0
LaTeX((((("\text{Mulch is represented by the variable }\textcolor{#000099}{m}\text{, and Rhett bought }\textcolor{#000099}{" * mulch) * "}\text{ sacks of mulch.}\cr\text{The term representing the number of sacks of mulch he purchased is }\textcolor{#000099}{") * mulch) * "m}.")) → text3
LaTeX((((((("\text{Combining the terms, the expression that represents Rhett’s purchase is \textcolor{#000099}{" * fertilizer) * "f+") * mulch) * "m –") * discount) * "}.")) → text5
LaTeX((((((((((((("\text{The expression representing Rhett’s purchase is }\textcolor{#000099}{" * fertilizer) * "f + ") * mulch) * "m – ") * discount) * "}\text{. Terms can be a number,}\cr\text{a variable, or the product of a number and variable(s). }\cr\text{The terms are }\textcolor{#000099}{") * fertilizer) * "f}\text{, }\textcolor{#000099}{") * mulch) * "m}\text{, and }\textcolor{#000099}{–") * discount) * "}.")) → text7
LaTeX((((((((((("\text{A coefficient is a number multiplied by a variable in an algebraic expression. }\cr\text{In the expression }\textcolor{#000099}{" * fertilizer) * "f + ") * mulch) * "m – ") * discount) * "}\text{, the coefficients are }\textcolor{#000099}{") * fertilizer) * "}\text{ and }\textcolor{#000099}{") * mulch) * "}.")) → text9
LaTeX("\text{Identify the constant(s) in the expression, if any.}") → text10
LaTeX((((((((("\text{A constant is a quantity that does not change. }\cr\text{In the expression }\textcolor{#000099}{" * fertilizer) * "f + ") * mulch) * "m – ") * discount) * "}\text{, the constant is }\textcolor{#000099}{–") * discount) * "}.")) → text11
LaTeX((((((("\textcolor{#000099}{" * fertilizer) * "}\text{ sacks of fertilizer; }\textcolor{#000099}{") * mulch) * "}\text{ sacks of mulch; a discount of }\textcolor{#000099}{") * discount) * "}\text{ dollars}")) → Problem
LaTeX((((("\text{Rhett had a coupon for }\textcolor{#000099}{" * discount) * "}\text{ dollars off his total purchase. The coupon represents a discount,}\cr\text{or subtraction, from the amount he has to pay. This can be represented by }\textcolor{#000099}{–") * discount) * "}.")) → text4