1. Welcome to Interactive Chalkboard
Mathematics: Applications and Concepts, Course 2 Interactive Chalkboard
Copyright © by The McGraw-Hill Companies, Inc.
Developed by FSCreations, Inc., Cincinnati, Ohio
Send all inquiries to:
GLENCOE DIVISION
Glencoe/McGraw-Hill
8787 Orion Place
Columbus, Ohio
Welcome to Interactive Chalkboard

2. Splash Screen

3. Example 1 Evaluate Expressions Example 2 Evaluate Expressions
Example 3 Evaluate Expressions with Powers
Example 4 Evaluate Expressions with Powers
Example 5 Evaluate an Expression
Example 6 Use an Expression to Solve a Problem
Lesson 3 Contents

4. Add first since 18 + 2 is in parentheses.
Evaluate
Add first since is in parentheses.
Subtract 20 from 27.
Answer: 7
Example 3-1a

5. Evaluate
Answer: 16
Example 3-1b

6. Evaluate Multiply 5 and 3. Add 15 and 15. Subtract 2 from 30.
Answer: 28
Example 3-2a

7. Evaluate
Answer: 15
Example 3-2b

8. Evaluate
Find the value of
Multiply.
Answer: 120,000
Example 3-3a

9. Evaluate
Answer: 9,000
Example 3-3b

10. Subtract 1 from 3 inside the parentheses.
Evaluate
Subtract 1 from 3 inside the parentheses.
Find the value of .
Divide.
Answer: 7
Example 3-4a

11. Evaluate
Answer: 4
Example 3-4b

12. Multiply from left to right,
Evaluate
Add 4 and 2.
Multiply from left to right,
Multiply from left to right,
Subtract from left to right,
Add 2 and 16.
Answer: 18
Example 3-5a

13. Evaluate
Answer: 9
Example 3-5b

14. Use the table shown below
Use the table shown below. Taylor is buying two video game stations, five extra controllers, and ten games. What is the total cost?
Item
Quantity
Unit Cost
game station 2
$180.00
controller 5
$24.95
game 10
$35.99
Example 3-6a

15. number of game stations
cost of game station
number of controllers
number of games
cost of game
cost of controller 2
$180 5 10
$35.99
$24.95
Multiply from left to right.
Add.
Example 3-6a

16. Answer: So, the total cost is $844.65.
Check Check the reasonableness of the answer by estimating. The cost is about (2  200) + (5  25) + (10  40) = , or about $925. The solution is reasonable.
Answer: So, the total cost is $
Example 3-6a

17. Use the table shown below
Use the table shown below. Suzanne is buying a video game station, four extra controllers, and six games. What is the total cost?
Item
Quantity
Unit Cost
game station 1
$180.00
controller 4
$24.95
game 6
$35.99
Answer: $495.74
Example 3-6b

18. End of Lesson 3

19. Click the mouse button or press the Space Bar to display the answers.
Transparency 4

20. Transparency 4a

21. End of Custom Shows WARNING! Do Not Remove
This slide is intentionally blank and is set to auto-advance to end custom shows and return to the main presentation.
End of Custom Show

22. End of Slide Show