1. Warm Up  Brainstorm words that are associated with: SymbolAssociated Word + - x ÷

2. Section 1.1

3.  TSWBAT ◦ Convert word phrases into algebraic expressions and back. ◦ Write a rule that describes a pattern.

4.  Quantity  Variable  Algebraic Expression  Numerical Expression

5. Associated Words SymbolAssociated Word +Add, added to, sum, increase, more then, total, plus -Minus, subtract, subtracted from, less then, decrease xMultiply, times, product, of (for fractions) ÷Divide, divided by, quotient, over (for fractions)

6. Convert the following phrases in to algebraic expressions  25 more then a number n Answer: n + 25  74 less then a number n Answer: n – 74

7.  18 more then a number n  7 minus a number n  The sum of a number n and 8  9 plus a number n

8. What is the algebraic expression for the verbal phrase:  5 times a number n Answer: 5n  The quotient of a number n and 7 Answer: n/7

9.  6 times a number n  The quotient of 18 and a number n  The product of a number n and 3  6 divided by a number n

10. What is the algebraic expression for the word phrase  8 less then the product of a number x and 4. Answer:4x – 8  Twice the sum of a number x and 8. Answer:2(x + 8)  The quotient of 5 and the sum of 12 and a number x. Answer:

11.  Write a verbal phrase you can use to represent the algebraic expression.  X + 8.1  10x + 9   5x – 1

12.  The table shows how the cost of renting a scooter depends on how long the scooter is rented. What is a rule for the total cost? Give the rule in words and as an algebraic expression.  Answer: 7.5h + 10 HoursCost 1$17.50 2$25.00 3$32.50 4$40.00 5$47.50

13.  Pg. 7 # 10-40 even, 47-48, 56-66