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What should you do if you are surrounded by 20 lions, 15 tigers and 10 Leopards? Just wait for the merry go round to stop and jump off.

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Presentation on theme: "What should you do if you are surrounded by 20 lions, 15 tigers and 10 Leopards? Just wait for the merry go round to stop and jump off."— Presentation transcript:

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3 What should you do if you are surrounded by 20 lions, 15 tigers and 10 Leopards? Just wait for the merry go round to stop and jump off.

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5 Daffynition Decoder Twin: Carrot Juice: Male Surfer: Infant Replay Hare Tonic Man Over Board

6 Adding Integers Same Signs: Add the two numbers and use the same sign. Different Signs: Subtract the two numbers, use the sign of the number with the larger absolute value. Rule: To subtract an integer, add its opposite. (Make two marks.) Subtracting Integers

7 Sections 2.4, 2.5 Multiplying and Dividing Integers

8 Rules for Multiplying Integers Rules: Positive x Positive = Positive Positive x Negative = Negative Negative x Positive = Negative Negative x Negative = Positive + + = = = = +

9 Example 4-1a Find each product.

10 Example 4-1a IFAnd Find each product.

11 Rules for Dividing Integers Rules: Same as Multiplying Positive ÷ Positive = Positive Positive ÷ Negative = Negative Negative ÷ Positive = Negative Negative ÷ Negative = Positive + ÷ + = + + ÷ - = - - ÷ + = - - ÷ - = +

12 Example 5-1a Divide.

13 Example 5-1a Divide.

14 Example 5-4b Find the average (mean) of 10, –12, 9, 15, –4, 0, –1, and 7.

15 Homework Practice 2.4, 2.5 odds


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