1. Warm-up: Copy the two charts below into your notebook
Warm-up: Copy the two charts below into your notebook. Homework: Page 12 #11-21 all and # all.

2. Write an algebraic expression for each word phrase.
1) 9 less than a number w
9 less than a number w
w –
w – 9
2) 3 increased by the difference of p and 5
3 increased by the difference of p and 5
(p – )
3 + p – 5

3. Write an algebraic expression for each word phrase.
3) the sum of a number h and 88 minus 4
the sum of h and 88 minus 4
h – 4
h + 88 – 4
4) the quotient of a number f and 6
quotient of f and 6
f  f 6

4. 5) Write a word phrase for the algebraic expression 9 – 3c.
9 minus the product of 3 and c
9 minus the product of 3 and c.

5. 6) Write a word phrase for the algebraic expression 7 + 19b.
7 plus the product of 19 and b
7 plus the product of 19 and b.

6. 7) Write a word problem that can be evaluated by the algebraic expression 27 + t, and evaluate the expression for t = 1.76.
Possible Answer:
Amed bought a new sweater for $27 plus sales tax t. If the tax was $1.76, what was the total cost of the sweater?
27 + t
= 28.76
Substitute 1.76 for t.
The total cost of the sweater was $28.76.

7. 8) Write a word problem that can be evaluated by the algebraic expression 43 – d, and evaluate the expression for d =
Possible Answer: Tina bought a new jacket for $43 minus a store credit. If the store credit was $10.24, what was the total cost of the jacket?
43 – d
43 – = 32.76
Substitute for t.
The total cost of the jacket was $32.76.

8. Warm Up Homework: Page 12 #11-31 all.
Evaluate each expression for the given values of the variables.
Homework: Page 12 #11-31 all.
1. 9y – 13 for y = 4 23
2. 6n + 2p for n = 2 and p = 3 18
3. 3x – y for x = 1 and y = 2 1

9.   – + Which operation symbol goes with each word? 1. Sum 2. Product
3. Quotient –
4. Difference

10.   + – Word Phrases Expression n + 5 x – 11 3m a or a  7 7
a number plus 5
add 5 to a number
n + 5
sum of a number and 5
5 more than a number
a number increased by 5
a number minus 11
subtract 11 from a number
difference of a number and 11
x – 11
11 less than a number
a number decreased by 11
3 times a number
3 multiplied by a number 3m
product of 3 and a number
a number divided by 7
or a  7 a 7
7 divided into a number
quotient of a number and 7

11. 11. A restaurant leased its banquet hall for a function
11. A restaurant leased its banquet hall for a function. The cost was $10 per person. Write an algebraic expression to evaluate what the cost would be if 20, 21, 22, or 23 people attended the function.
$10 dollars • n
Combine n equal amounts of $10.
$10n
In dollars
n $10 • n Cost
Evaluate for n = 20, 21, 22, and 23.
20 $10 • $200
21 $10 • $210
22 $10 • $220
23 $10 • $230

12. 12. Gasoline costs $3. 59 per n gallons
12. Gasoline costs $3.59 per n gallons. What will the cost be for 10, 12, 14, and 15 gallons?
$3.59 • n
Combine n equal amounts of $3.59.
$3.59n
In dollars
n $3.59 • n Cost
$3.59 • 10 $35.90
Evaluate for n = 10, 12, 14, and 15.
$3.59 • 12 $43.08
$3.59 • 14 $50.26
$3.59 • 15 $53.85

13. Warm-up: Countdown to testing week # 2 (page C5) Homework: Packet given in class.

14. Warm-up: Solve the problem below
Warm-up: Solve the problem below. Then write at least two sentences explaining how you solved the problem.
Homework- Copy notes from my website. (Daily power point, then September 24th PA)