1. Review Is 3 a solution to 3x – x = 12?
Use mental math to solve 8r + 4 = 36

2. 1.5 Verbal Models
Objective: Students should be able to change a verbal math model into an actual expression or equation. If needed, they should be able to solve them.

3. Definitions Verbal model: use math symbols and apply to words.
Key Words:
Addition: sum
Subtraction: difference
Multiplication: of, product
Division: quotient
Evaluate: Solve to get a numerical value.
Numerical expression: numbers and operations.
Ex: – 4

4. Examples of verbal expression-t
Tell me what math you would use.
Product of
Increased by
Divided into
Decreased by
Write out as a math problem.
30 increased by 5
The product of 5 and 6
The difference of 10 and 7

5. Write verbal phrase as expression. Use x for variable.ST
Four times a number
Difference of 12 and a number.
Six less than a number
One third of a number
Nine more than twice a number.
The sum of a number and five divided by two.

6. Write verbal phrase as an equation or inequality. Use x for variable
Write verbal phrase as an equation or inequality. Use x for variable.ST
Seven more than a number x is ten.
Eight more than a number y is greater than or equal to ten.
Three less than the product of six and a number x is nine.
One more than four times a number b is 17

7. Word problem
A recycling center pays .05 cents per aluminum can. You were paid $4 for recycling cans. Answer the following questions.
Write an equation to find the number of cans you had.
Solve your equation.

8. Wrap up
Questions/Comments
Hw: Text pg. 35, 1-3, 5-28, 30-38evens