200 likes | 338 Views
Laws of Exponents 31. 1.) Do Now: September 26, 2012 Pages 27-28 2.) Update Table of Contents 3.) Take out your HW 4.)Then copy this table on page 31 of your notebook. 1 st Law: Product of a Power (multiplication). 2 nd Law: Quotient of a Power (division). 1. Calculate:
E N D
Laws of Exponents 31 1.) Do Now: September 26, 2012Pages 27-282.) Update Table of Contents3.) Take out your HW4.)Then copy this table on page 31 of your notebook. 1st Law: Product of a Power (multiplication) 2nd Law: Quotient of a Power (division) 1. Calculate: a. 20 b. 5 c. 15 d. 4 2. Place on the number line.
Activator 1st and 2nd Vocabulary Word Sort
Activator What if you had to tell someone to multiply the following number: 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 Do you think it will be an easier way to tell them?
EQ: How do I use the properties of exponents to extend the meaning beyond counting number exponents? Standard: MCC8.EE.1 Know and apply the properties of integer exponents to generate equivalent numerical expressions.
Exponents exponent power base
The Laws of Exponents: Exponential and Expanded forms: The exponent of a power indicates how many times the base multiply itself. = 125 EXPONENTIAL FORM Standard Form Expanded Form
The Laws of Exponents: • 1st Law: Product of a Power: • If the BASES are the SAME and… • If the operation between the bases is MULTIPLICATION • Then we KEEP THE BASE and ADD EXPONENTS.
The Laws of Exponents: 1st Law: Product of a Power:
We Do, You do… We Do: You Do:
The Laws of Exponents: • 2ndLaw: Quotient of a Power: • If the BASES are the SAME and… • If the operation between the bases is DIVISION • Then we KEEP THE BASE and SUBTRACT EXPONENTS.
The Laws of Exponents: 2nd Law: Quotient of a Power
We Do, You do… We Do: You Do:
Student Practic: White Boards • Students will complete practice problems over the 1st and 2nd Law of Exponents by competing in a two teams. • Students will have to work problems on the board as the teacher calls out each problem. • The team with the most points at the end of the game (20 mins) will be the winner!
Practice… 1.)
Practice… 2.) We Do:
Practice… 3.)
Practice… 4.)
Homework: You will have 10 problems that consist of using the properties of exponents to extend the meaning beyond counting-number exponents from the 1st and 2nd Laws of Exponents.Closure: 3-2-1….