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Associative (grouping) Property
the order in which you add or multiply THREE OR MORE numbers does not change the outcome. Example: a+(b+c)=(a+b)+c
Commutative (order) Property
the order in which you add or multiply two numbers does not change the outcome. Example: ab=ba
the part of a fraction below the line, which tells how many equal parts there are in the whole
the product of a number and the sum of two numbers is equal to the sum of the two products. Example: a(b+c) = (ab)+(a*c)
Lowest Terms (or Simplest Form)
when the numerator and denominator of a fraction have no common factors other than 1
the number written above the fraction line that tells how many equal parts of the whole are being counted
a system of numeration in which the value of a digit depends on its position in the numeral
to estimate a number by replacing it with a number expressed to the nearest ten, hundred, thousand, and so on
set of all numbers that can be written as the ratio of two integers with a non-zero denominator
two figures where the corresponding angles are congruent and the corresponding sides are proportional
the square of the hypotenuse of a right triangle is equal to the sum of the square of the other two sides
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