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# Unit 2 Vocabulary Words

Across
The property of real numbers that states a+0=a for addition, and a*1=a for multiplication.
The property of real numbers that states you can add or multiply regardless of how the numbers are grouped. (a+b)=c=a=(b+c) or (a*b)*c=a*(b*c)
The property of equality that states, if you divide 1 side of an equation by a number, you must also divide the other side by the same number so that your equation stays the same.
The property of equality that states whatever is multiplied to 1 side of the equal sign must be multiplied to the other side.
The property of equality that states a value is equal it itself.
The property of real numbers states that allows 2 or more factors to be multiplied in any order without changing the product. a*d=d*a
Down
The property of equality that states, if a=b then b=a.
The property of real numbers that states the sum of 2 numbers times a 3rd number is equal to the sum of each addend times the third number. a*(b=c)=a*b+a*c
The property of equality that states whatever is added from 1 side of the equal sign must be added to the other side.
The property of equality that states, if a=b and b=c, then a=c.
The property of equality that states whatever is subtracted from 1 side of the equal sign must be subtracted from the other side.