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 TOPICS This page:   definitions    Search   Dr. Math See also the Internet Library:   dictionaries 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 Definitions Stars indicate particularly interesting answers or good places to begin browsing. Translation, Reflection, Rotation [05/16/2001] What is the difference between slide, flip, and turn? Transversal - Meaning and Examples [11/14/1994] I have a 7th grade student who would like to know the meaning and examples of "transversal". Triangle Inequality Theorem [03/09/2001] The lengths of the sides of a non-isosceles triangle, in size order, are 5, x, and 15. What are all possible integral values of x? Trilogy, Tetralogy... [05/28/2003] Why isn't there a numbering system for groups like trilogies? Truncating [01/19/2002] What does truncating mean? Types of Triangles [02/24/2003] What is the the difference between equilateral, isosceles, and scalene triangles? How can I remember which name goes with which triangle? Using Mean, Mode, and Range [11/23/2002] Examples of real-life uses of mean, mode, and range. Vertical Angle [11/15/2001] What are vertical angles? Are they equal? Vertical Angles [10/27/1996] What are vertical angles? Volume vs. Capacity [05/01/2002] Can you explain the difference between the terms volume and capacity? Also mass and weight. Ways to Remember the Meaning of Circumference, Radius, Diameter, and Chord [03/18/2004] If the minute hand touched the edge of the clock, would it be most like a diameter, radius, circumference, or chord of a circle? I have a hard time remembering what each of those means. What are Flops? [02/25/2001] What are flops, as relating to computers? What Are Proofs? [08/12/1997] I am homeschooling and do not understand proofs. Can you help me out? What Does a Twofold Increase Mean? [01/23/2004] Is a twofold increase simply twice the amount? What about a threefold increase? I'm not used to this terminology of using 'fold.' Does it refer to powers or multiples? What Does Average Mean? [12/05/2001] Can someone explain what average is? For example what is the average rainfall in New York? I understand the formula needed to find the average, but what is the meaning of average? What Does a Vertical Bar Mean? [01/29/2001] I want to know what the symbol | means, for example |2+3|. What Does EE Stand For? [01/14/2003] What does the EE stand for on a scientific calculator? What Does "Mean" Mean? [4/14/1995] Can the terms average and mean be used interchangeably? What Does 'n' Mean? [09/25/2001] In a pair of numbers, if n is the first number, what is the second? What Do Input and Output Mean in Math? [04/09/2007] What is the relationship between the input and output on a table? I'm not quite sure what an input or output is. What Is a Coefficient? [01/29/2004] What is a coefficient? What is a Cubit? [03/31/2002] The Bible says that Moses was 9 cubits tall and Pharaoh was 1 cubit tall. What is that in today's inches or feet? What is a Cuboctahedron? [01/02/2001] What is a cuboctahedron? What is a Median? [03/03/1998] A definition of median, and four examples of calculating medians. What is an Algorithm? [08/08/1997] I have been reading up on computers and microprocessors. The word algorithm keeps coming up. Can you give me any hints about this? What is an N-gon? [06/01/1998] Can you explain the statement: "In an N-gon, n-3 diagonals can be drawn from one vertex"? What is a Pace? [02/28/2002] What is the difference between a "pace" and the standard unit of measurement? What is a Parenthesis? [07/17/2000] What does the mathematical term "parenthesis" mean? What is a point? [8/26/1996] Define a point, please. What is a Set? [04/04/1997] What is the correct term to refer to groups of objects like 3 cars, 7 pencils, or 5 apples? What is a Sign? [04/21/2003] Can you do anything in math without signs? What is a Significant Digit? [12/25/2001] I came across a question asking for an answer with no more than "2 significant digits" - can you please explain what a significant digit is? What is a slide rule? [07/27/1997] What does a slide rule do and how does it work? What is a Stone? [11/11/2001] Can you tell me what a stone in English measurement is equal to in pounds? What is a tessellation? [01/20/1997] Can you give an example? What Is a Theorem and Why Are They Important? [08/15/1997] I don't understand how theorems help us learn. What is a Torus? [11/30/1999] Is there a good way to describe a torus to a child? What is a Vertex? [12/06/2001] And what does vertices mean? What is Circumference? [06/25/2001] My friend told me it's somewhat like the measurement of the outside of a circle, but I don't understand that. What is Denary? [06/07/1999] Could you please give me two examples of denary? Page: []

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