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**1.2 Multiplying and Dividing Integers**

Objective: Multiply and divide integers.

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**Multiplication/Division Sign Chart**

+ + + + - - - + - - - +

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**Multiplication/Division Sign Triangle**

- - +

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Examples 5 ∙ ∙ 8 -4 ∙ -9

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Calculator Tips Try typing these both into your calculator: -52 (-5)2 What happens? Here is the real tip…why are you typing this into your calculator?

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**Commutative Property of Multiplication**

Simply put: If the there is only multiplication, you can multiply in any order you want. Look for compatible numbers.

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**More than two numbers being multiplied together**

Count the negative signs: 1) If it is an odd amount the final product is negative. 2) If it is an even amount the final product is positive.

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Examples

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Homework 1.2 Worksheet

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