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QUESTION # 1 If =, this is an example of the ______ Property. QUESTION # 2 Mr. Pearson DO NOW Tuesday, September 3, 2013 Selby Lane is an example of the.

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Presentation on theme: "QUESTION # 1 If =, this is an example of the ______ Property. QUESTION # 2 Mr. Pearson DO NOW Tuesday, September 3, 2013 Selby Lane is an example of the."— Presentation transcript:

1 QUESTION # 1 If =, this is an example of the ______ Property. QUESTION # 2 Mr. Pearson DO NOW Tuesday, September 3, 2013 Selby Lane is an example of the ______ Property.

2 Objective - To use the distributive property to simplify numerical and variable expressions. Distributive Property or Order of Operations Distributive Property It works! Why use the distributive property? CA Standard: 7 th Grade Algebra & Functions 1.3 Simplify Numerical Operations by Applying Properties (Associative, Commutative, Distributive, Identity, etc.) of Rational Numbers and justify the process.

3 Simplify using the distributive property. 1) 2) 3) 4) 5) 6)

4 Use the distributive property to write an equivalent expression. Then simplify both to show they have the same value. 1) 2) 3) same

5 Geometric Model for Distributive Property Two ways to find the area of the rectangle As a wholeAs two parts

6 Geometric Model for Distributive Property Two ways to find the area of the rectangle As a wholeAs two parts same

7 Find the area of the rectangle in terms of x, y and z in two different ways. x yz As a wholeAs two parts

8 Find the area of the rectangle in terms of x, y and z in two different ways. x yz As a wholeAs two parts same

9 This means that you can multiply 1 to any number... and it keeps its identity! The number stays the same! Let's look at the number 8. Anyway we try to multiply 1 to it, the 8 just keeps coming back as the answer. This means that you can add 0 to any number... and it keeps its identity! The number stays the same! Let's look at the number 5. Anyway we try to add 0 to it, the 5 just keeps coming back as the answer.


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