1. 1.) How many triangles can be found in each drawing?
Warm Up
1.) How many triangles can be found in each drawing? a. b. c.

2. 1.) How many triangles can be found in each drawing?
Warm Up
1.) How many triangles can be found in each drawing? a. b. c. 2 6 28

3. 1.) To be able to translate verbal phrases into Algebraic Expressions.
Today’s Objective
1.) To be able to translate verbal phrases into Algebraic Expressions.
2.) To be able to translate verbal phrases into Algebraic Equations and Inequalities.

4. Be Ready to describe the following with one word:
difference
sum
Product
quotient

5. Phrases Expressions
The sum of 3 and x. 3 + x

6. Two less than the sum of six and a number.
Phrases Expressions
Two less than the sum of six and a number.
(6 + x) 2 -
Less than means and to reverse the order.

7. Translate the following into Algebra
A recycling center pays 3 for aluminum cans and 5 for glass bottles. Write an algebraic expression representing the total amount paid for a sack of cans and bottles.
Price per can
# of cans
Price per bottle
# of bottles + . .

8. Translate the following into Algebra
Price per can
# of cans
Price per bottle
# of bottles + . .
c = Number of cans
b = Number of bottles
.03c + .05b

9. Solve the Puzzles Black is to white as red is to ?
Round is to oblong as basketball is to?
Expression is to equation as phrase is to?
green
football
sentence

10. The sum of 6 and a number (Phrase) 6 + x (Expression)
The sum of 6 and a number is 10. (Sentence)
6 + x = (Equation)

11. 1.) Twenty-two decreased by a number is 12.
Sentences Equations
1.) Twenty-two decreased by a number is 12.
22 - x = 12

12. 2.) The product of 3 and a number is 21.
Sentences Equations
2.) The product of 3 and a number is 21.
3x = 21

13. Check for Understanding
1.) What word does a sentence have that a phrase doesn’t? is
2.) What symbol does an equation have that an expression doesn’t? =

14. What's the THAN rule?

15. Be careful,, This is Tricky 2.) 7 times a number is less than 50
Sentences Equations
Be careful,, This is Tricky
2.) 7 times a number is less than 50
7x < 50

16. Now you try these Phrases to Expressions
The difference of a number & 8
x - 8
A number multiplied by 15
15x
9 more than a number
x + 9
not x

17. Now you try these Sentences to Equations
The sum of a number and 8 is 14
x + 8 = 14
The difference of a # and 3 is more than 9 x -3 > 9
9 less than a number is 16
x - 9 = 16
not x = 16

18. Classwork