7 results for: subtraction

Tutor PhD, MIT BSc, 20 years experience One-on-one tutoring by telephone tutoradvantage.com	Sponsored Links

Subtraction Worksheets Hundreds Of Printables To Practice. Try The Runaway Math Puzzle Now! www.EdHelper.com/Subtraction.htm

Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

sub·trac·tion

Audio Help [suh

b-trak-shuh

n] Pronunciation Key

–noun

1.	an act or instance of subtracting.

2.	Mathematics. the operation or process of finding the difference between two numbers or quantities, denoted by a minus sign (−).

[Origin: 1350–1400; ME < LL subtractiōn- (s. of subtractiō) a withdrawing, equiv. to subtract(us) (see subtract) + -iōn- -ion

]

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Math, Sci, Eng worksheets Worksheets for k-5 students Sudoku, Word Search, Pattern match www.smartstudyplace.com	Sponsored Links

Free Kids Math Games Registration Required. For kids ages 3 - 8. Increase math skills! CleverIsland.com

Encyclopædia Britannica, Inc.
subtraction

To learn more about subtraction visit Britannica.com

1st Grade Math
The web's top sites for: 1st Grade Math
www.gradeschoolz.org

Sponsored Link

American Heritage Dictionary - Cite This Source - Share This

sub·trac·tion Audio Help (səb-trāk'shən) Pronunciation Key
n.

The act or process of subtracting; deduction.
Mathematics The arithmetic operation of finding the difference between two quantities or numbers.

(Download Now or Buy the Book)

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

Online Etymology Dictionary - Cite This Source - Share This
subtraction

c.1400, "withdrawal, removal," from L.L. subtractionem (nom. subtractio) "a drawing back, taking away," from L. subtractus, pp. of subtrahere "take away, draw off," from sub "from under" + trahere "to pull, draw" (see tract (1)). The mathematical sense is attested from c.1425. The verb subtract is first recorded c.1540.

"Þou most know þat subtraccion is drawynge of one nowmber oute of anoþer nomber." ["The Crafte of Nombrynge," c.1425]

WordNet - Cite This Source - Share This

subtraction
noun
1.	an arithmetic operation in which the difference between two numbers is calculated; "the subtraction of three from four leaves one"; "four minus three equals one"
2.	the act of subtracting (removing a part from the whole); "he complained about the subtraction of money from their paychecks" [ant: addition]

The American Heritage Science Dictionary - Cite This Source - Share This

subtraction Audio Help (səb-trāk'shən) Pronunciation Key
The operation of finding the difference between two numbers or quantities.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

subtraction

Ad*di"tion\, n. [F. addition, L. additio, fr. addere to add.]

1. The act of adding two or more things together; -- opposed to subtraction or diminution. "This endless addition or addibility of numbers." --Locke.

2. Anything added; increase; augmentation; as, a piazza is an addition to a building.

3. (Math.) That part of arithmetic which treats of adding numbers.

4. (Mus.) A dot at the right side of a note as an indication that its sound is to be lengthened one half. [R.]

5. (Law) A title annexed to a man's name, to identify him more precisely; as, John Doe, Esq.; Richard Roe, Gent.; Robert Dale, Mason; Thomas Way, of New York; a mark of distinction; a title.

6. (Her.) Something added to a coat of arms, as a mark of honor; -- opposed to abatement.

Vector addition (Geom.), that kind of addition of two lines, or vectors, AB and BC, by which their sum is regarded as the line, or vector, AC.

Syn: Increase; accession; augmentation; appendage; adjunct.

View results from: Dictionary | Thesaurus | Encyclopedia | All Reference | the Web