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 Acute Angle An angle that is less than 90 degrees. Addition an adding of two or more numbers to get a number called the sum Example: 5+5 = 10 10 is the sum Algebra area of math dealing in representing numbers with letters Example: x+5=8 solve for x Angle The space (measured in degrees) between two lines that start from the same point. Angstrom A unit of length equal to one hundred-millionth (10-8) of a centimeter, used especially to specify radiation wavelengths. Area The measure of the amount of space a two-dimensional figure takes up. Example: Area=length*width Arithmetic "the art of computing using addition, subtraction, multiplication, and division" Associative The property that an expression, in a fixed order, will produce the same result no matter how adjacent items are grouped. Example: (a+b)+c = a+(b+c)

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