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Subtraction

en.wikipedia.org/wiki/Subtraction

Subtraction is a mathematical operation that represents the operation of removing objects from a collection. It is signified by the minus sign (−). For example, in ...

Subtraction - Math is Fun

www.mathsisfun.com/numbers/subtraction.html

... with practice... ... so use Math Trainer - Subtraction to train yourself! Subtraction Table. You can also "look up" answers for simple subtraction using this table: ...

Subtraction.com + Khoi Vinh's Web site

www.subtraction.com/

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

Basic subtraction | Basic addition and subtraction | Khan Academy

www.khanacademy.org/math/arithmetic-home/addition-subtraction/basic-add-subtract/v/basic-subtraction

Introduction to subtraction. ... Basic subtraction · Subtract within 5 · Add and subtract: pieces of fruit · Add within 10 · Subtract within 10 · Relating addition and  ...

Balloon Pop Subtraction | ABCya!

www.abcya.com/subtraction_game.htm

ABCya! This elementary activity is great fun for all kids learning subtraction! Kids are presented with subtraction problems and need to pop balloons to find the ...

Subtracting 3-digit numbers (regrouping) 1 | Subtraction with ...

www.khanacademy.org/math/arithmetic/arith-review-add-subtract/arith-review-regrouping-3-dig/v/basic-regrouping-or-borrowing-when-subtracting-three-digit-numbers

Sal uses regrouping (borrowing) and place value to subtract 971-659.

Free Subtraction Math Games | Multiplication.com

www.multiplication.com/games/subtraction-games

Subtraction Games - Free online math games for students. Practice subtraction facts while having fun at Multiplication.com.

Dynamically Created Subtraction Worksheets - Math Aids

www.math-aids.com/Subtraction/

These dynamically created subtraction worksheets allow you to select different variables to customize for your needs.

Subtraction Menu - Math Games - Sheppard Software

www.sheppardsoftware.com/mathgames/menus/subtraction.htm

Subtraction math games for kids. Learn subtracting in a free, fun way.

IXL - Subtract numbers up to millions (4th grade math practice)

www.ixl.com/math/grade-4/subtract-numbers-up-to-millions

Fun math practice! Improve your skills with free problems in 'Subtract numbers up to millions' and thousands of other practice lessons.

Answers
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
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