##### Across

**3.**is a number on its own, or sometimes a letter such as a, b or c to stand for a fixed number.**6.**says how many times to use that number in a multiplication.**8.**is the greatest factor that divides two numbers.**9.**two or more non-zero denominators is the smallest whole number that is divisible by each of the denominators.**11.**numbers is a real number that cannot be expressed as a ratio of integers, i.e. as a fraction.**12.**numbers which follow each other in order, without gaps, from smallest to largest.**14.**test of factoring is used to factor polynomials of the form Ax� + Bx + C. A, B, and C represent constants and x is the variable.**15.**solving may include mathematical or systematic operations and can be a gauge of an individual's critical thinking skills.**16.**the number above the line in a common fraction showing how many of the parts indicated by the denominator are taken, for example, 2 in 2/3.**18.**number is any number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q.**20.**is written with a minus sign in front**21.**fraction is a fraction where the numerator, denominator, or both contain a fraction.

##### Down

**1.**is a squared (multiplied by itself) number subtracted from another squared number**2.**2 numbers is the smallest number that they both divide evenly into.**4.**coefficient is defined as a fixed number that is multiplied to a variable.**5.**a numerical quantity that is not a whole number.**7.**the number below the line in a common fraction; a divisor.**10.**To factor a number means to break it up into numbers that can be multiplied together to get the original number.**13.**expression is a mathematical phrase that can contain ordinary numbers, variables (like x or y) and operators**17.**is a quantity that may change within the context of a mathematical problem or experiment.**19.**is a number that is bigger than zero. It can be written with a "+" symbol in front of it, or just as a number.**22.**Number can be divided evenly only by 1, or itself. And it must be a whole number greater than 1.