2. Transparency 5 Click the mouse button or press the Space Bar to display the answers.

3. Splash Screen

4. Example 5-4b Objective Add and subtract mixed numbers

5. Example 5-4b Vocabulary Mixed number The sum of a whole number and a fraction

6. Lesson 5 Contents Example 1Subtract Mixed Numbers Example 2Add Mixed Numbers Example 3Use Mixed Numbers to Solve a Problem Example 4Evaluate an Expression

7. Example 5-1a Find Write problem 1/4 With mixed numbers, use calculator Enter whole number 6 6 Enter fraction key a b/c Enter numerator 7 Enter fraction key 6 7 Enter denominator 8 a b/c 6 7 8 Enter subtraction sign - -

8. Example 5-1a Answer: Find 1/4 Enter whole number 3 6 Enter fraction key a b/c Enter numerator 1 Enter fraction key 6 7 Enter denominator 8 a b/c 6 7 8 - 6 7 8 3 a b/c 6 7 8 3 1 a b/c 6 7 8 3 1 8 Enter = =

9. Example 5-1b Answer: Find 1/4

10. Example 5-2a Find 2/4 Write problem With mixed numbers, use calculator Enter whole number 3 3 Enter fraction key a b/c Enter numerator 1 3 1 Enter fraction key a b/c Enter denominator 5 3 1 5 Enter addition sign + +

11. Example 5-2a Find 2/4 Enter whole number 5 3 Enter fraction key a b/c Enter numerator 3 3 1 Enter fraction key a b/c Enter denominator 4 3 1 5 Enter equal sign = + 3 1 5 5 a b/c 3 1 5 5 3 a b/c 3 1 5 5 3 4 = Answer:

12. Example 5-2b Answer: Find 2/4

13. Example 5-3a A miles B miles C miles D miles 3/4 Refer to the diagram. How far will Steve travel if he rides his bike from home to the bank and then to the grocery store?

14. Example 5-3a 3/4 Refer to the diagram. How far will Steve travel if he rides his bike from home to the bank and then to the grocery store? Determine process to use He is traveling from home to the bank Then to the grocery store Refers to addition

15. Example 5-3a 3/4 Refer to the diagram. How far will Steve travel if he rides his bike from home to the bank and then to the grocery store? Use calculator Add dimensional analysis A miles B miles C miles D miles miles Choose appropriate multiple choice answer Answer: A

16. Example 5-3c Answer: B Refer to the diagram. How far will Claire travel if she rides a bus from school to the library and then home? MULTIPLE-CHOICE TEST ITEM D miles A miles B miles C miles 3/4

17. Example 5-4a ALGEBRA Evaluate if and Write problem 4/4 Replace a with Use calculator with mixed numbers Answer:

18. ALGEBRA Evaluate if and Example 5-4b Answer: * 4/4

19. End of Lesson 5 Assignment Lesson 6:5Adding and Subtracting11 - 35 All Mixed Numbers