Drexel dragonThe Math ForumDonate to the Math Forum

Ask Dr. Math

Elementary Archive
_____________________________________________
Dr. Math Home || Elementary || Middle School || High School || College || Dr. Math FAQ
_____________________________________________
TOPICS
space
This page:
  history/biography checkmark

  Search
  Dr. Math

See also the
Dr. Math FAQ:
  Roman numerals

Internet Library:
  history/biography

ELEMENTARY

Arithmetic
   addition
   subtraction
   multiplication
   division
   fractions/decimals

Definitions

Geometry
   2-dimensional
     circles
     triangles/polygons
   3D and higher
     polyhedra

Golden Ratio/
Fibonacci Sequence

History/Biography

Measurement
   calendars/
     dates/time
   temperature
   terms/units

Number Sense/
About Numbers
   infinity
   large numbers
   place value
   prime numbers
   square roots

Projects
Puzzles
Word Problems

Browse Elementary History/Biography
Stars indicate particularly interesting answers or good places to begin browsing.

Selected answers to common questions:
    About Roman numerals.


Why Is a Circle 360 Degrees? [07/01/1998]
Why is a circle defined as 360 degrees?

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

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

Why Were Fractions Invented? [11/26/2007]
An overview of the history of fractions and the purpose they serve.

Writing Roman Numerals [11/10/2003]
What is the correct way to write the number 3000 in Roman numerals? Can you write the answer as III with the bar over it, meaning (3 * 1000)?

Page: [<prev]  1  2  3

Search the Dr. Math Library:
Search: entire archive just Elementary Math History/Biography

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 
_____________________________________

© 1994-2013 Drexel University. All rights reserved.
http://mathforum.org/
 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.