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EOG Vocabulary Week of March 28, 2011 Math Words: Fractions and Properties

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Which word means… a letter or symbol that represents an unknown number in an equation.

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Which word means… applies to multiplication, states that when 2 addends are multiplied by a factor, the product is the same as when each addend is multiplied and then added. Example: (2+3)x4=(2x4)+(3x4)

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Which word means… applies to addition and multiplication, states that the order in which numbers are added or multiplied will not change the answer 3+7+8=8+3+7 4x9x2=2x4x9

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Which word means… applies to addition and multiplication, states that the grouping of the numbers will not change the answer (2+5)+8=2+(5+8) (2x5)x8=2x(5x8)

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Which word means… a number containing a whole number part and fraction part

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Which word means… addition: add 0, get the same number multiplication: x1, get the same number

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Which word means… a fraction whose numerator and denominator have the number 1 as the only common factor

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Which word means… opposite operations: addition/subtraction and multiplication/division

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Which word means… any of the numbers: 0, 1, 2, and so on

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Which word means… the number below the bar in a fraction, the bottom number

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Which word means… a number that names a part of a whole, a part of a collection, or a part of a region.

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Which word means… the number above the bar in a fraction, the top #

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