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Day 4 law of exponents div

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Day 4 law of exponents div

1. 1. AIM: Laws of Exponents Do Now Basic Skills Quiz #5 1
2. 2. Basic Skills Quiz #5 1.) Subtract and write your answer in simplest form. 3 4 10 - 1 3 4 2.) Complete the following decimal operation. 6 ÷ 0.25 3.) Solve the following equation (SHOW ALL WORK). x + 7 = 10 4.) Evaluate the following numeric expression using the order of operations. 40 - 10 ÷ 2 + 7 5.) Round the following to the nearest tenth. 72.35 2
3. 3. Basic Skills Quiz #5 Make-Up 1.) Subtract and write your answer in simplest form. 3 5 5 - 3 3 4 2.) Complete the following decimal operation. 8 ÷ 0.25 3.) Solve the following equation (SHOW ALL WORK). x+5=8 4.) Evaluate the following numeric expression using the order of operations. 20 - 5 + 15 ÷ 3 5.) Round the following to the nearest tenth. 85.3468 3
4. 4. Basic Skills Quiz #5 Make-Up 2 1.) Subtract and write your answer in simplest form. 1 6 6 - 2 3 5 2.) Complete the following decimal operation. 4 ÷ 0.25 3.) Solve the following equation (SHOW ALL WORK). x + 7 = 12 4.) Evaluate the following numeric expression using the order of operations. 25 - 5 + 15 ÷ 3 5.) Round the following to the nearest tenth. 85.38454134164 4
5. 5. 5
6. 6. 6
7. 7. Division of Powers Factored Form Factored Form with the same base written as a power 7
8. 8. Division of Powers Factored Form Factored Form with the same base written as a power 8•8•8•8•8 8
9. 9. Division of Powers Factored Form Factored Form with the same base written as a power 8•8•8•8•8 8•8•8 What is 8 divided by 8? What operation does a fraction bar represent? How can we simplfy the factored form? 9
10. 10. Division of Powers Factored Form Factored Form with the same base written as a power 8•8•8•8•8 8•8•8 10
11. 11. Division of Powers Factored Form Factored Form with the same base written as a power 8•8•8•8•8 8•8•8 1.) Describe any relationships you can find between the Division of Powers with the same base column and the Factored Form written as a power column. 2.) Using the relationships you found, create a rule that would allow you to simplify the expression, , without first writing the factored form. 11
12. 12. LAW OF EXPONENTS FOR DIVISION: Dividing Powers with the Same Base: 12
13. 13. Think-Pair-Share Activity: Simplify each expression. A.) B.) C.) D.) 13
14. 14. e.) 7 3 ab f.) 4x6 ab2 2x3 g.) 9y5 h.) 12x7y4 3y2 3xy2 14
15. 15. Find the length of the missing side. Area = 8y5 2y2 Area = 15x3 3x 15
16. 16. Extra Examples 16
17. 17. Before You Leave Explain why the following example cannot be simplified using the Law of Exponents for Division. 45 33 17
18. 18. Mr. Tjersland's Math 7 Homework: Castle Homework #6 due Friday 18
19. 19. AIM: Laws of Exponents 12x7y4 3xy2 19
20. 20. Attachments Cumulative Review Sheet 4.doc Math in the News Project Outline.doc