module 3 lesson 5
TRANSCRIPT
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Using the Identity and Inverse to Write Equivalent Expressions
Do Now:Lesson 4 Exit
01/10/14Module 3, Lesson 5
HW: • Lesson 5 Problem Set
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Exit Ticket Solution:
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Homework Answers
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Homework Answers
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Discussion:
1. In problem 1, what is the pair of numbers called?
2. What is the sum of a number and its opposite?
3. In problem 5, what is so special about 0?
Additive Inverses
Zero
Zero is the ONLY NUMBER when summed with another number, the results in that number again.
Additive Identity
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Discussion:
1. What are these pairs of numbers called?
2. What is another term for reciprocal?
3. What is the product of multiplicative inverses?
Reciprocal
Multipli-cative Inverse
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Discussion:
4. Why is the number 1 also special?
Any number multiplied by 1 would in that same number. Multiplicative
Identity
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Closing:1.) What are the other terms for opposites and reciprocals, and what are the general rules of their sums and products?
2.) What do the Additive Identity Property of Zero and the Multiplicative Identity Property of One state?
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