1. Warm Up  Brainstorm words that are associated with (that mean) the following symbols. You need at least two per symbol. SymbolAssociated Word + - ● ÷

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 than, total, plus -Minus, subtract, subtracted from, less than, decreaseless than ●Multiply, times, product, of (for fractions), twice (●2), each ÷Divide, divided by, quotient, over (for fractions)

6.  Less than is a special word. You must flip the order for less than.  Example: 4 less than a number r r - 4

7. Convert the following phrases in to algebraic expressions 1. 25 more than a number n Answer: n + 25 2. 74 less than a number n Answer: n – 74

8. 1. 18 more than a number n 2. 7 minus a number n 3. The sum of a number n and 8 4. 9 plus a number n

9. What is the algebraic expression for the verbal phrase: 1. 5 times a number n ◦ Answer: 5n 2. The quotient of a number n and 7 ◦ Answer: n/7

10. 1. 6 times a number n 2. The quotient of 18 and a number n 3. The product of a number n and 3 4. 6 divided by a number n

11. What is the algebraic expression for the word phrase 1. 8 less than the product of a number x and 4. ◦ Answer:4x – 8 2. Twice the sum of a number x and 8. ◦ Answer:2(x + 8) 3. The quotient of 5 and the sum of 12 and a number x. ◦ Answer:

12. Write a verbal phrase you can use to represent the algebraic expression. 1. X + 8.1 2. 10x + 9 3. 4. 5x – 1

13. It costs $7.50 each hour you rent a scooter. There is also a $10 safety deposit. Write a rule in words and as an algebraic expression to model the relationship. HoursCost 1$17.50 2$25.00 3$32.50 4$40.00 5$47.50

14.  Pg. 7-10 #1-7, 10-36, 39, 48-50, 53-56