矩形周长与面积计算示例

GeoGebra 命令及参数

1. LaTeX(steps) → counter
2. LaTeX("\text{Use the buttons below to return to the original problem or}\cr\text{randomly generate a similar practice problem.}") → RandomizationText
3. Corner(1) → A
4. Corner(3) → B
5. LaTeX("\text{State the expressions used to find the perimeter and area of a rectangle.}") → text1
6. LaTeX("\text{The perimeter of a rectangle is found using the expression }\textcolor{#000099}{2L + 2W}.") → text2
7. LaTeX("\text{The area of a rectangle is found using the expression }\textcolor{#000099}{LW}.") → text3
8. LaTeX((((("\text{Evaluate the expression for perimeter using }\textcolor{#000099}{L = " * length) * "}\text{ and }\textcolor{#000099}{W = ") * width) * "}.")) → text4
9. LaTeX((((("\text{Evaluate the expression for area using }\textcolor{#000099}{L = " * length) * "}\text{ and }\textcolor{#000099}{W = ") * width) * "}.")) → text11
10. LaTeX("\text{Substitute the value of each variable into the expression. }\cr\text{Then, simplify the expression using the order of operations.}") → text5
11. TableText({{LaTeX["\textcolor{#000099}{2L + 2W}"], LaTeX["\text{Expression representing perimeter}"]}}, "l") → text6
12. LaTeX("\text{Substitute the value of each variable into the expression. }\cr\text{Then, simplify the expression using the order of operations.}") → text12
13. TableText({{LaTeX["\textcolor{#000099}{LW}"], LaTeX["\text{Expression representing area}"]}}, "l") → text13
14. TableText({{LaTeX["\textcolor{#000099}{LW}"], LaTeX["\text{Expression representing area}"]}, {LaTeX[(((("\text{= }\textcolor{#000099}{(" * length) * ")(") * width) * ")}")], LaTeX[(((("\text{Substitute }\textcolor{#000099}{" * length) * "}\text{ for }\textcolor{#000099}{L}\text{ and }\textcolor{#000099}{") * width) * "}\text{ for }\textcolor{#000099}{W}.")]}}, "l") → text14
15. TableText({{LaTeX["\textcolor{#000099}{2L + 2W}"], LaTeX["\text{Expression representing perimeter}"]}, {LaTeX[(((("\text{= }\textcolor{#000099}{2(" * length) * ") + 2(") * width) * ")}")], LaTeX[(((("\text{Substitute }\textcolor{#000099}{" * length) * "}\text{ for }\textcolor{#000099}{L}\text{ and }\textcolor{#000099}{") * width) * "}\text{ for }\textcolor{#000099}{W}.")]}}, "l") → text7
16. TableText({{LaTeX["\textcolor{#000099}{2L + 2W}"], LaTeX["\text{Expression representing perimeter}"]}, {LaTeX[(((("\text{= }\textcolor{#000099}{2(" * length) * ") + 2(") * width) * ")}")], LaTeX[(((("\text{Substitute }\textcolor{#000099}{" * length) * "}\text{ for }\textcolor{#000099}{L}\text{ and }\textcolor{#000099}{") * width) * "}\text{ for }\textcolor{#000099}{W}.")]}, {LaTeX[(((("\text{= }\textcolor{#000099}{" * twoL) * " + ") * twoW) * "}")], LaTeX["\text{Multiply.}"]}}, "l") → text8
17. TableText({{LaTeX["\textcolor{#000099}{2L + 2W}"], LaTeX["\text{Expression representing perimeter}"]}, {LaTeX[(((("\text{= }\textcolor{#000099}{2(" * length) * ") + 2(") * width) * ")}")], LaTeX[(((("\text{Substitute }\textcolor{#000099}{" * length) * "}\text{ for }\textcolor{#000099}{L}\text{ and }\textcolor{#000099}{") * width) * "}\text{ for }\textcolor{#000099}{W}.")]}, {LaTeX[(((("\text{= }\textcolor{#000099}{" * twoL) * " + ") * twoW) * "}")], LaTeX["\text{Multiply.}"]}, {LaTeX[(("\text{= }\textcolor{#000099}{" * perimeter) * "}")], LaTeX["\text{Add.}"]}}, "l") → text9
18. LaTeX("\text{Move the slider to solve the problem.}") → text0
19. TableText({{LaTeX["\textcolor{#000099}{LW}"], LaTeX["\text{Expression representing area}"]}, {LaTeX[(((("\text{= }\textcolor{#000099}{(" * length) * ")(") * width) * ")}")], LaTeX[(((("\text{Substitute }\textcolor{#000099}{" * length) * "}\text{ for }\textcolor{#000099}{L}\text{ and }\textcolor{#000099}{") * width) * "}\text{ for }\textcolor{#000099}{W}.")]}, {LaTeX[(("\text{= }\textcolor{#000099}{" * area) * "}")], LaTeX["\text{Multiply.}"]}}, "l") → text15
20. LaTeX((((("\text{length of }\textcolor{#000099}{" * length) * "\text{ feet}}\text{; width of }\textcolor{#000099}{") * width) * "\text{ feet}}")) → Problem
21. LaTeX((("\text{The perimeter of the rectangle is }\textcolor{#000099}{" * perimeter) * "\text{ feet}}.")) → text10
22. LaTeX((((("\text{The area of the rectangle is }\textcolor{#000099}{" * area) * "\text{ square feet}}\text{ or }\textcolor{#000099}{") * area) * " \text{ ft^2}}.")) → text16