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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. Length of a Light-Year [1/31/1996] How far is a light year in miles or kilometers? Length or Width? [12/02/2003] Can you please explain the difference between height, length, width and depth? Is it always the same for each thing? Light Year [08/09/1997] How long (in miles) is a light year? Light Years [11/19/1997] How many miles is a light year? Linear and Board Feet [01/04/1999] Can you explain the terms linear foot and board foot as they are used in the lumber industry? Linear Footage [04/20/2002] There is a fence I want to buy, but the ad says '4 foot tall, 50 linear feet. What is a linear foot compared to a regular foot? Linear Foot [7/1/1996] How much is a linear foot? Line of Best Fit [8/1/1996] Are a best-fit line, a line of best fit, and a fitted line synonymous? Lines of Symmetry [03/17/1997] What are lines of symmetry? Line under Greater or Less Than Symbol [01/26/2001] What does it mean when there is a line under the greater or less than symbol? Mass and Weight [08/16/1997] Why are mass and weight both measured with the same unit? If weight is different on the moon and mass is not, what is the difference? Mass versus Weight [09/09/99] Do mass and weight refer to the same thing on earth? Is mass equal to weight? Mass vs. Weight [01/22/1999] Can you give me a definition of mass and how it differs from weight? Mathematical Induction [09/07/1998] What is mathematical induction? Can you give an example of the ideas of math induction? Mathematical Meaning of Undefined [12/19/2002] What is the meaning of the word 'undefined' in mathematical terms? Mathematical Models [07/17/2002] What is a mathematical model, and how would it be used? Mathematics, Logic, and Intuition [05/27/2003] How is math related to logic and intuition? Math Symbol for C [12/15/1997] I am puzzled by one symbol of typing math. What does the upper case letter C mean? As in (2C1) (3C1) / (47C2) = 6/1081. The Meaning of Locus [03/04/2003] What is the locus of points equidistant from two parallel lines 8 meters apart? Meaning of Q.E.F. [8/20/1996] What does Q.E.F. mean? I've seen it in Euclid's Elements along with Q.E.D... The Meaning of Space [07/23/1997] Is the term 'Space' a mathematical object? I have seen it in "Vector Space," "Banach Space," and "Hilbert Space," but are they the same thing? Meaning of the Words Compass and Protractor [08/17/1999] Why is a compass called a compass when it protracts and retracts, and why is a protractor called a protractor when it is used to measure degrees? Meanings of Properties [07/23/1997] What do Associative Property, Commutative Property, and Distributive Property mean? Mean, Median, and Mode [07/15/1998] Can you explain the three ways to represent a group - mean, median, and mode? I am having trouble understanding the mode. Mean, Median, Mode, Range [11/23/1997] What are the definitions of mean, median, mode, and range? Means and Extremes of a Proportion [09/16/2004] In the proportion a/b = c/d, why are the a and the d called the extremes and the b and c called the means of the proportion? Measuring by Degrees [06/16/2002] Why is it that angles and temperature are both measured in degrees? Median: Average of Two Points [8/24/1996] What is the median in an even list of numbers? Median, Quartiles [1/09/1998] Find the median and upper and lower quartiles: 22,18,9,26,14,15,6,19,28. Median: the Middle Term [9/14/1996] What is the median? Megagram, Short Ton, Long Ton [03/12/2002] How does a megagram compare to a a short ton or a long ton? Meters Squared vs. Square Meters [11/18/2001] Is 12 m^2 better read as 12 square meters or 12 meters squared? Metres Squared and Square Metres [05/02/2003] Are square metres and metres squared the same thing? Metric System Prefixes [09/17/1997] My algebra teacher wrote the word teraflops on the board and told us to find the meaning. Miles Squared vs. Square Miles [07/09/1999] What is the difference between 10 square miles and 10 miles square? Mnemonic for Less Than and Greater Than [08/11/1999] What was the old adage for telling how to read the less than and greater than symbols correctly? Mode, Median, and Mean [08/23/1997] Find a set of five data values with modes 0 and 2, median 2, and mean 2. Moebius Strips: How Many Sides and Surfaces? [10/18/2001] What is the difference between a side and a surface? Multiplier, Sum, Difference, Product, Quotient, Dividend [11/25/1997] What is a multiplier? an addend? a minuend? a product? Why is the number that is being divided the "dividend"? Name of Bar That Denotes a Repeating Decimal [08/30/2004] What is the name of the bar that goes over a digit or group of digits that signifies that the digit or group repeats? Page: []

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