1. Multiplication and Division Expressions
SWBAT write word expressions as numerical multiplication and division expressions and vice versa; write word expressions as algebraic multiplication and division expression and vice versa

2. Review What is an algebraic expression? What is a variable?
What is a numeric expression?

3. Multiplication and Division Words
Product
Times
Multiplied by
Twice
Division
Quotient
Goes into
Divided by
Are in

4. Examples
Jenna washes dogs to earn extra money. If she spends 20 minutes on each dog, write an expression to show how long it will take to wash m number of dogs.
What operation should we do?
20m

5. Examples
Daniel will spend 280 minutes washing dogs this weekend. If he takes n minutes to wash each dog write an expression to show how many dogs he will wash.
What operation should we do?
280 ÷ n

6. Examples Eight times four 27 divided by three
The product of two and 15
The quotient of 81 and 9
The product of 37 and a number
Six times a number
A number divided by 10
The quotient of 621 and a number

7. Examples
98 x 45
62.5 ÷ 25
45 · h
81f
69 ÷ s
_35_ 7