Chapter 1 Mid-Chapter Study Guide

Greatest Common Factor or GCF-the greatest factor that two or more numbers have in common. The factors of two numbers is less than or equal to the numbers.

Least Common Multiple or LCM-the least number that is a common multiple of two or more numbers. The least common multiple of two numbers is greater than or equal to the numbers.

Prime Number—has only two factors, 1 and itself.

Prime Factorization—the number written as a product of all of its prime factors.

Be able to solve problems that require finding the greatest common factor and using the distributive property to answer questions.

Chapter 7 Mid-Chapter Study Guide

Term—the parts of the expression that are separated by an addition or subtraction sign.

Variable—a letter or symbol that stands for one or more numbers.

Coefficient—a number that is multiplied by a variable.

Exponent—a number that tells how many times a number called the base is used as a repeated factor.

Numerical Expression—a mathematical phrase that uses only numbers and operation symbols.

Algebraic Expression—a mathematical phrase that includes at least one variable.

Order of Operations—Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction