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Unit 2 Math Vocab

TermDefinition
Zero Pair Two numbers whose sum is zero. Opposite numbers form a zero pair.
Negative Numbers Numbers less than 0. They are located to the left of 0 on a horizontal number line and below 0 on a vertical number line.
Positive Numbers Numbers that are greater than 0. They are located to the right of 0 on a horizontal number line and above 0 on a vertical number line.
Opposite Numbers Numbers that are the same distance from zero in the opposite direction. Another term is additive inverse.
Absolute Value The distance a number is from 0 on a number line. It is always positive.
Integers The set of whole numbers and their opposites {. . .-2, -1, 0, 1, 2. . .}. Rati
Rational Numbers Any number that can be expressed as a fraction. Examples: 1/3 or 3.4
Commutative Property Changing the order of an addition or multiplication problem will not change the sum(+) or product(x).
Associative Property When you add or multiply, you can group the numbers in any combination using parenthesis.
Mixed Number A number consisting of an integer and a proper fraction.
Counterexample An example that opposes or proves that an idea or claim is incorrect.
Product The answer to a multiplication problem
Distributive Property a(b + c) = ab + ac; a number outside the parenthesis can be multiplied to each term within the parenthesis.
Created by: arhodes99
 

 



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