Warm Up Divided by Difference More than Product Minus Sum Write the operation (+,-, x, ) that corresponds to each phrase. Divided by Difference More than Product Minus Sum Multiplied by Quotient

Writing Algebraic Expressions August 27, 2009

Variable = a symbol, usually a letter, that represents one or more numbers. Algebraic expression = a mathematical phrase that can include numbers, variables, and operation symbols.

Write an algebraic expression for each phrase. 1. Seven more than n n + 7 2. The difference of n and 7 n - 7

3. The product of seven and n 4. The quotient of n and 7

Define a variable and write an algebraic expression for each phrase. Two times a number plus five. Define a variable. Let n = the number Write. 2n + 5 2 * n + 5

Define a variable and write an algebraic expression for each phrase. 9 less than a number The sum of twice a number and 31 A number increased by 3.

Write an algebraic expression for each phrase. 4 more than p 12 minus m y minus 15 The quotient of n and 8 23 less than x The sum of v and 3

Define a variable and write an algebraic expression for each phrase. 2 more than twice a number A number minus 11 9 minus a number A number divided by 82 The product of 5 and a number The sum of 13 and twice a number The quotient of a number and 6