Drexel dragonThe Math ForumDonate to the Math Forum

Ask Dr. Math

Middle School Archive

Dr. Math Home || Elementary || Middle School || High School || College || Dr. Math FAQ

This page:
  about math checkmark

  Dr. Math

See also the
Dr. Math FAQ:
  why study math?


About Math

   factoring expressions
   graphing equations

   factoring numbers


     conic sections/
   3D and higher



Number Sense
   factoring numbers
   negative numbers
   prime numbers
   square roots

Word Problems

Browse Middle School About Math
Stars indicate particularly interesting answers or good places to begin browsing.

Selected answers to common questions:
    Art and mathematics.
    Law and mathematics.
    Medicine and mathematics.
    Music and mathematics.
    Poetry and mathematics.
    What is mathematics?
    Was math invented or discovered?

Why Is Mental Math Important? [03/25/2004]
How can I convince a 14 year old girl who is in 8th grade the importance of mental math? I think that skills like mentally adding and subtracting 2 digit numbers and being able to estimate multiplying 2 digit large numbers are critical. My daughter's teacher says that such skills aren't needed because of calculators and computers.

Why is Pi Everywhere? [2/9/1996]
Why does pi show up in things that don't seem to be related to circles?

Why is the Word "Number" Abbreviated to "No."? [05/13/2002]
Why is the word number abbreviated to no.?

Why Learn to Factor? [07/08/2002]
Why do I need to learn to factor expressions if I'm going to be a fashion designer?

Why Math? [3/25/1996]
Why do you like math so much?

The Why of Algebra [11/13/1998]
What is algebra for? Why do you need the letters and variables?

Why Proofs? Definitions and Axioms [09/16/2001]
Why are proofs important in the development of a mathematical system like geometry?

Why Rules? [08/15/2001]
Why do we need to have rules for order of operations?

Why Use h and k for the Center of a Circle? [05/09/2000]
Why are k and h used in the equation (x-h)^2 + (y-k)^2 = 0 for a circle with center (h,k)? Why not j and f, etc.?

Why Use Letters in Math? [12/01/1999]
Why do we need to use letters in math?

Why Use X and Y for Variables? [10/23/2002]
Why do we use x and y for variables in an equation?

Why was Math Invented? [2/26/1996]
Why was math invented? What about geometry?

Writing Checks [07/31/2002]
When writing a check, how do you indicate the number of cents in the part where you write out the amount using words?

Years That Start on Sunday [10/02/2000]
What is the probability that a randomly chosen year will start on a Sunday?

Zero and One, Each Unique in Its Own Special Way [04/10/2013]
Zero is neither positive nor negative; 1 is neither prime nor composite. So how do we classify these numbers?

Zero Before the Decimal Point? [10/06/2000]
What is the merit of writing the zero before the decimal point in numbers less than one, for example 0.25?

Page: [<prev]  1  2  3  4

Search the Dr. Math Library:

Search: entire archive just Middle School About Math

Find items containing (put spaces between keywords):
Click only once for faster results:

[ Choose "whole words" when searching for a word like age.]

all keywords, in any order at least one, that exact phrase
parts of words whole words

[Privacy Policy] [Terms of Use]

Home || The Math Library || Quick Reference || Search || Help 

© 1994-2015 Drexel University. All rights reserved.
The Math Forum is a research and educational enterprise of the Drexel University School of Education.The Math Forum is a research and educational enterprise of the Drexel University School of Education.