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Published byDarcy Copeland Modified over 9 years ago

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What name would you give each table? How would you fill in the missing numbers? What patterns do you see in the tables?

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Investigation 1A Sections 1.01-1.05

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How many numbers are there between zero and ten?

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How would you show the number 3? How would you show the number -2? How can a number line help you do math? We will discuss number lines in more detail in Investigation 1B.

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What is the opposite of 5? What is the opposite of -5? “Negative” means the same as “opposite of.”

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Represented by a capital ℤ

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Commutative Property: ◦ Order of addition does not matter Associative Property: ◦ When you add more than two numbers, the way you group them does not matter. Additive Identity: ◦ When you add zero to any number, the result is the number itself. ◦ The number 0 is the additive identity.

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Commutative Property: ◦ Order of multiplication does not matter Associative Property: ◦ When you multiply more than two numbers, the way you group them does not matter. Multiplicative Identity: ◦ When you multiply 1 by any number, the result is the number itself. ◦ The number 1 is the multiplicative identity.

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Read Investigation 1A (pages 8-31) Page 33 #1-8 Read Investigation 1B (pages 34-52)

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