Distributive Property This example says we have 8 groups of 2d+9. Instead of writing 2d+9 eight times then adding there is a shorter was using multiplication.

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Presentation transcript:

Distributive Property This example says we have 8 groups of 2d+9. Instead of writing 2d+9 eight times then adding there is a shorter was using multiplication. When we multiply over a parentheses it is called the distributive property. 8(2d+9)

In practice it would look like this 8(2d+9) 8∙2d8∙9 16d+72 +

More examples… 7(2f+4) 2(5k+1) 4(y+6) = 7∙2f + 7∙4= 14f+28 = 2∙5k + 2∙1 = 10k+2 = 4∙y + 4∙6= 4y+24

Can you find the missing number using distributive property? 36h + 24 = 4(9h + __) To find the missing number think about distributing the 4. 36h = 4 ∙ 9h, so 4 times what is 24? 36h + 24 = 4(9h + 6) 4 times 6 is 24 so the missing number is…

How about this one find the missing number 18c + 30d = 6(__c + __d) Ask yourself 6 times what is 18? 18c + 30d = 6(3c + 5d) 6 times what is 30?