1. Splash Screen

2. Objectives
Vocabulary
Example 1
Example 2
Quick Quiz
Lesson Menu

3. To practice using variables to write expressions
To use expressions to solve problems
To develop and use formulas to find specific quantities
To identify restrictions on variables
To use a spreadsheet to make a chart
Objectives

4. formula
Vocabulary

5. Modeling Algebraic Expressions
Evaluate t – 4 if t = 6.
t – 4 = 6 – 4 Replace t with 6.
= 2 Subtract.
Answer: 2
Modeling Algebraic Expressions
Example 1

6. Evaluate 7 + m if m = 4.
A. 3
B. 7
C. 11
D. 28 A B C D
Example 1

7. Example 2

8. Replace F with 99. Subtract 32 from 99. Multiply 5 and 67.
Divide 335 by 9.
Answer: about 37.2°C
Example 2

9. BOWLING David is going bowling with a group of friends
BOWLING David is going bowling with a group of friends. His cost for bowling can be described by the formula g, where g is the number of games David bowls. Find the total cost of bowling if David bowls 3 games.
A. $4.25
B. $7.75
C. $9.25
D. $12.75 A B C D
Example 2

10. Select the expression that shows the number of inches in w feet, eight inches.
A w
B. w + 12 = 8
C. 12w + 8
D. 8w = 12 A B C D
Quick Quiz 1

11. Noah has y lacrosse balls
Noah has y lacrosse balls. Select the expression for the number of balls Christina has if she has 3 less than twice the number of balls Noah has.
A. 2y – 3
B. y + 2 – 3
C. 3y – 2
D. y + 3 – 2 A B C D
Quick Quiz 2

12. Select the correct story for the expression 12b + 7.
A. Sergi has 12 more than 7 times the number of balls that Jeff has.
B. Mike has 7 less than 12 times the number of balls that Maria has.
C. Aisha has 7 more than 12 times the number of balls that Kevin has.
D. Shaundra has 12 less than 7 times the number of balls that Kaya has. A B C D
Quick Quiz 3

13. End of the Lesson

14. Multilingual e-Glossary
Image Bank
Math Tools
Multilingual e-Glossary
Arithmetic Sequences
Modeling Algebraic Expressions
Distributive Property
Resources

15. End of Custom Shows