1. 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

2. Writing Algebraic Expressions
August 27, 2009

3. 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.

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

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

6. 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

7. 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.

8. 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

9. 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