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- https://math.libretexts.org/Courses/Coastline_College/Math_C104%3A_Mathematics_for_Elementary_Teachers_(Tran)/06%3A_______DivisionThe teacher said to the student, "Do the following division: 12÷3." The student replied, "But I don't know how to divide." Then the teacher asked, "Do you know how to subtract?" The student ...The teacher said to the student, "Do the following division: 12÷3." The student replied, "But I don't know how to divide." Then the teacher asked, "Do you know how to subtract?" The student replied, "Sure, that's easy." Then the teacher said, "Well, then, you can divide. The student marveled at this notion. The student simply noticed 3 could be subtracted four times from 12, and answered, "Is 12÷3 equal to 4?" The student was proud too...and very happy.
- https://math.libretexts.org/Courses/Coastline_College/Math_C104%3A_Mathematics_for_Elementary_Teachers_(Tran)/06%3A_______Division/6.04%3A_HomeworkStart a new module on the front side of a new page and write the module number on the top center of the page. Explain how to use the correct interpretation to draw a picture to find the answer. Explai...Start a new module on the front side of a new page and write the module number on the top center of the page. Explain how to use the correct interpretation to draw a picture to find the answer. Explain how you use the picture to find the answer to the problem. After doing the division, would the answer be represented by the number of subsets or the amount in each subset? Check each answer by multiplying the divisor by the quotient and then adding the remainder to see if this equals the dividend.
- https://math.libretexts.org/Courses/Coastline_College/Math_C104%3A_Mathematics_for_Elementary_Teachers_(Tran)/05%3A_Multiplication/5.01%3A_Definition_and_PropertiesThis exercise set presents a different, challenging way for you to look at multiplication. You will be using the Centimeter Strips (C-strips) to explore and discover the commutative, associative and d...This exercise set presents a different, challenging way for you to look at multiplication. You will be using the Centimeter Strips (C-strips) to explore and discover the commutative, associative and distributive properties of multiplication.
- https://math.libretexts.org/Courses/Coastline_College/Math_C104%3A_Mathematics_for_Elementary_Teachers_(Tran)/09%3A_Number_TheoryThey often think mathematics is just a bunch of facts – that it only has to do with addition, subtraction, multiplication and division of numbers. There is a story about a mathematician, David Hilbert...They often think mathematics is just a bunch of facts – that it only has to do with addition, subtraction, multiplication and division of numbers. There is a story about a mathematician, David Hilbert, who noticed that one of his students stopped attending class. When he was told that the student had decided to drop mathematics to become a poet, Hilbert replied, "Good – he did not have enough imagination to become a mathematician."
- https://math.libretexts.org/Courses/Coastline_College/Math_C104%3A_Mathematics_for_Elementary_Teachers_(Tran)/05%3A_Multiplication/5.03%3A_HomeworkStart a new module on the front side of a new page and write the module number on the top center of the page. Make sure you write out the meaning of the multiplication in the system given showing all ...Start a new module on the front side of a new page and write the module number on the top center of the page. Make sure you write out the meaning of the multiplication in the system given showing all of the work and exchanges. For each set of three numbers given, illustrate an example of the associative property of multiplication, and then illustrate an example of the distributive property of multiplication over addition.
- https://math.libretexts.org/Courses/Austin_Peay_State_University/Supplementary_Material_for_Math_Models/03%3A_Introduction_to_R/3.08%3A_Data_Frames(unable to fetch text document from uri [status: 403 (Forbidden)])
- https://math.libretexts.org/Courses/Austin_Peay_State_University/Supplementary_Material_for_Math_Models/02%3A_Emperical_Modelsing/2.02%3A_One-Factor_Regression/2.2.04%3A_Residual_Analysis(unable to fetch text document from uri [status: 403 (Forbidden)])
- https://math.libretexts.org/Bookshelves/Scientific_Computing_Simulations_and_Modeling/Physical_Modeling_in_MATLAB_(Downey)/04%3A_Vectors/4.04%3A_Indexing_ErrorsAn index can be any kind of expression, but the value of the expression has to be a positive integer, and it has to be less than or equal to the length of the vector. >> Y(0) Array indices must be pos...An index can be any kind of expression, but the value of the expression has to be a positive integer, and it has to be less than or equal to the length of the vector. >> Y(0) Array indices must be positive integers or logical values. If it’s not an integer, you get an error: >> Y(1.5) Array indices must be positive integers or logical values. If the index is too big, you also get an error: The error messages use the word array rather than matrix, but they mean the same thing, at least for now.
- https://math.libretexts.org/Bookshelves/Scientific_Computing_Simulations_and_Modeling/Physical_Modeling_in_MATLAB_(Downey)/02%3A_Scripts/2.09%3A_ExercisesYou observe that every day 5 percent of the bikes in Boston are dropped off in Cambridge, and 3 percent of the bikes in Cambridge get dropped off in Boston. The precondition is that the variables b an...You observe that every day 5 percent of the bikes in Boston are dropped off in Cambridge, and 3 percent of the bikes in Cambridge get dropped off in Boston. The precondition is that the variables b and c contain the number of bikes in each location at the beginning of the day. In the next chapter, we will see how to execute your script automatically and how to plot the values of b and c over time.
- https://math.libretexts.org/Bookshelves/Applied_Mathematics/Understanding_Elementary_Mathematics_(Harland)/01%3A_Set_TheoryThe Manipulatives listed below are to be used with this workbook. You will be using the material cards to make your own manipulatives in order to do hands on activities in some of the exercise sets. Y...The Manipulatives listed below are to be used with this workbook. You will be using the material cards to make your own manipulatives in order to do hands on activities in some of the exercise sets. You should prepare them ahead of time, and keep each type of manipulative in its own baggie. The manipulatives to be used in an exercise set are listed at the beginning of that set. You should also have handy a calculator, scissors, tape, colored pencils, pens, markers, highlighters and/or crayons.
- https://math.libretexts.org/Bookshelves/Applied_Mathematics/Understanding_Elementary_Mathematics_(Harland)/06%3A_IntegersThe parent said, "What? You're studying what?" "Integers," said the child. "What's an integer?" asked the parent. The child replied, "Well, like 2 or -2 or 11 or -11." "Oh," said the parent."Why didn'...The parent said, "What? You're studying what?" "Integers," said the child. "What's an integer?" asked the parent. The child replied, "Well, like 2 or -2 or 11 or -11." "Oh," said the parent."Why didn't you just say you were studying about numbers?" The child just stared back.
