Lesson 5.1 Concept: Translating verbal phrases into algebraic variable expressions. Guidelines: Look for function specific phrases. Addition More than Sum of Plus Subtraction Minus Difference Less than Multiplication Times Product of Multiplied by Division Quotient Divided by group
Practice Ten more than a number The sum of -8 and a number The number plus 3 x y n + 3
Practice Five minus a number The difference of 3 and a number Nine less than a number 5 - x 3 - n y - 9
Practice Five times a number The product of 7 and a number A number multiplied by -2 5y 7x -2m
Practice The quotient of a number and 6 Five divided by a number x6x6 5n5n
Translating real life phrases You join health club that has a membership fee of $25 per month, and a court fee of $5 per use. Write an expression for your total monthly cost. 1. Write a verbal model. Membership fee + Court fee Number of times you use a court. = Total monthly cost 2.Assign number value or variable n = 3. Solve if you use a court 5 times in the month (5) = = $50
Translating real life phrases You take three friends to the skating rink for a birthday party. The cost to skate is a flat fee of $20 for the entire party. Skate rental is an extra $3 per person. What is the total cost? 1. Write a verbal model. 2.Assign number value or variable 3. Solve