Two digit by one digit multiplication

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39

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CCSS.4.NBT.B.5

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846

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CCSS.4.NBT.B.5

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182

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CCSS.4.NBT.B.5

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91

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CCSS.4.NBT.B.5

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462

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CCSS.4.NBT.B.5

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What does multiplication mean?

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Multiplication is a way to add a number to itself a certain number of times.

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CCSS.3.OA.A.1

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What is a two-digit number?

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A two-digit number is a number that has two places, such as 10 to 99.

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CCSS.1.NBT.A.1

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What is a one-digit number?

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A one-digit number is a number that has only one place, such as 0 to 9.

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CCSS.4.OA.B.4

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How do you multiply a two-digit number by a one-digit number?

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You can break the two-digit number into tens and ones, multiply each by the one-digit number, and then add the results.

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CCSS.4.NBT.B.5

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What is the commutative property of multiplication?

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The commutative property states that changing the order of the numbers you multiply does not change the product.

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CCSS.3.OA.B.5