Web Results

sub·trac·tion

[suhb-trak-shuhn]

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 (−).

Source:
Dictionary.com

subtraction | Define subtraction at Dictionary.com

dictionary.reference.com/browse/subtraction

dictionary.reference.com/browse/subtraction

The world's most popular free online dictionary with definitions, spell check, word origins, example sentences, audio pronunciations, Word of the Day and more!

en.wikipedia.org/wiki/Subtraction

www.mathsisfun.com/numbers/subtraction.html

www.multiplication.com/games/subtraction-games

www.abcya.com/subtraction_game.htm

ABCya! This elementary activity is great fun for all kids learning

www.khanacademy.org/math/arithmetic-home/addition-subtraction/regrouping-3-dig/v/basic-regrouping-or-borrowing-when-subtracting-three-digit-numbers

Learn to use regrouping (borrowing) and place value to

www.subtraction.com/

Life and thoughts of Khoi Vin, a graphic designer in New York City.

www.math-aids.com/Subtraction/

These dynamically created

www.mathplayground.com/ASB_Ducky_Race_Subtraction.html

Play Ducky Race