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 TOPICS This page:   about math    Search   Dr. Math See also the Dr. Math FAQ:   why study math? MIDDLE SCHOOL About Math Algebra    equations    factoring expressions    graphing equations Arithmetic    division    exponents    factorials    factoring numbers    fractions/percents    logarithms Definitions Geometry    2-dimensional      conic sections/        circles      triangles/polygons    3D and higher      polyhedra History/Biography Logic Measurement    calendars/      dates/time    temperature    terms/units Number Sense    factoring numbers    negative numbers    pi    prime numbers    square roots Probability Puzzles Ratio/Proportion Statistics Word Problems Browse Middle School About Math Stars indicate particularly interesting answers or good places to begin browsing. How Do Lawyers Use Math? [01/26/2001] I have to write a two-page paper on how lawyers use math. How Many Formulas? [11/25/2002] How many formulas do you actually have to learn? How Numbers Will Change in the Future [10/29/2003] I'm asking my students to develop new number systems. I was hoping to show them what other people are speculating about future number systems, but I was unable to find anything. The Importance of Geometry Constructions [12/29/1998] Why are geometry constructions important? What do we learn from them? Where have they appeared in math history? The Importance of Math [08/23/2000] Why is math a core subject? Integers in Daily Life [05/31/2002] How are integers (especially negative integers) used in daily life? Investigating Numbers is Illogical [10/15/2001] Why do we have to be interested in maths and numbers so much? Is Algebra Useful in the Real World? [10/27/2002] We are having a court trial about why we do or do not need algebra. Is a Sheet of Paper a 2D or 3D Object? [05/17/2008] Our teacher said that a piece of paper is a two-dimensional object that has no height, but some of my classmates and I disagree. We think a piece of paper still has a height, even if it is very, very, small, and that it is therefore a three-dimensional object. Who's right? Is Full Equal to Empty? [06/15/1999] 1/2 full = 1/2 empty, so when we multiply both sides of the equation by 1/2, won't we get full = empty? I Solved It. Now What? [10/16/2003] I can solve an equation like 12 = 5x + x + 6 to get x = 1, but I don't know what it means, or what I'm supposed to do next. Larger Than and As Large As [08/01/1999] If the percussion section has 6 people, does the expression "the brass section is three times larger than the percussion section" mean that the brass section is 3*6 = 18 people or 4*6 = 24 people? Learning Math Formulas [02/22/2001] Why is it important to develop math formulas, and why is it important to memorize them? Learning to Like Math [12/04/2002] I cannot concentrate in math, no matter how hard I try. How can I pay better attention in math? Making Math Interesting [08/15/2000] Do you have any tips for how I can stay focused in math going into the 7th grade this coming year? Making Math Seem Easy [3/8/1996] How can you make math seem more easy to do? Math and Fashion [01/27/2003] How is math used for fashion? Math and the Bible [01/24/2002] How can I integrate math and the Bible? Math and the Law [11/24/1998] Examples of how mathematics is used by lawyers to win cases. Math and the Piano [09/27/1998] How is math is related to the piano? What about tempo, pitch, and tuning? Math Anxiety [04/04/1997] Do you have any information about math anxiety? Mathematical Models [07/17/2002] What is a mathematical model, and how would it be used? Mathematics As Analogy [12/16/2003] How can the ratio of a finite circumference to a finite diameter give an infinite value for pi? Mathematics, Logic, and Intuition [05/27/2003] How is math related to logic and intuition? Math in Dance [09/30/2001] Can you explain possible ways that math and dance could be related? Math in Everyday Life [09/22/2000] I need to write a story about all the ways in which math relates to everyday life over the course of one day. Could you help me with some examples? Math in Everyday Life [10/17/2002] How do you use math in your everyday life? Math in the Real World [2/19/1996] I would like to know some examples of mathematical applications in the real world. Math is Power? [03/13/2003] What do people mean when they say that 'math is power'? The Math of Time [05/15/1997] What is the connection between math and time? Math Used Every Day [11/20/2001] What type of math do I use every day? Meaning of the Phrase: Divide by Zero. [01/02/1998] I want to use 'divide by zero' to indicate a physically impossible task. What does the phrase actually mean? Mod Function and Negative Numbers [04/28/2000] What is the correct value for the function MOD(-340,60)? Microsoft Excel returns the value 20, while Lotus 1-2-3 returns the value -40. Can you explain the difference? Multiple Solutions [02/08/2002] Why is there more than one way of doing one type of math problem? Multiplication's Multiple Meanings: Unified by the Distributive [01/01/2015] Area? Matrix multiplication? Scaling and rotation? A parent seeks a global understanding — or at least some internal consistency — as to what ties together all the operations called "multiplication." Building up from the natural numbers, where multiplication is repeated addition (MIRA), Doctor Peterson teases out two common threads. Multiplying by 1 [09/01/1998] Why doesn't a number change when you multiply it by 1? The New Math [07/05/2000] What is the "New Math?" Non-terminating Decimal Representations of Fractions [11/10/1997] Why when you take a finite, limited quantity like one-third and turn it into a decimal do you get .333... on into infinity? Order of Operations Dispute [09/26/2000] The problem reads: N divided by (division sign)ml where n=12, m=6, and l=3. I believe the correct answer should be .6666, as 12 divided by 18 equals this... Patterns in the Perpetual Calendar [03/17/2000] Why do years that have the same calendar repeat in a pattern of 6 years, 11 years, 11 years, 6, 11, 11, etc.? And why do leap years with the same calendar occur 28 years apart? Page: []

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