Properties of Operations Form A

Properties of Operations

10 minute video on the next slide explains all of the properties

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 $\left(4\cdot6\right)\cdot2=\left(6\cdot4\right)\cdot2$  

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 $\left(\frac{1}{f}\right)\cdot f=1$  

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 $1=\left(\frac{12}{11}\right)\left(\frac{11}{12}\right)$  

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 $\left(11+10\right)+8=\left(10+11\right)+8$  

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 $11+6=6+11$  

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 $y=y\cdot1$  

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 $4\cdot q-4\cdot r=4\left(q-r\right)$  

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 $xy=yx$  

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 $11=0+11$  

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 $12=12+0$  

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 $\left(11+8\right)+4=11+\left(8+4\right)$  

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 $0=\left(\frac{7}{9}\right)\cdot0$  

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 $0=11+\left(-11\right)$  

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 $\left(de\right)f=d\left(ef\right)$  

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 $9\left(b-11\right)=9\left(b\right)-9\left(11\right)$  

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 $\left(3\cdot12\right)\cdot8=3\cdot\left(12\cdot8\right)$  

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 $y=1\cdot y$  

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 $\left(p+q\right)+r=p+\left(q+r\right)$  

Poll

Which properties are still causing you difficulty. (Check all that apply.)

• A&B Associative Properties

• C&D Commutative Properties

• E Distributive Property

• F&G Identity Properties

• H&I Inverse Properties

Poll

Choose which description fits you the best.

• I understand Properties of Operations and can identify the properties without a lot of doubt.

• I know most of the properties but am still confused about one or two of the properties.

• I only know a couple of the properties.

• I am completely lost.