Exploring Properties of Multiplication

The video tutorial explains how to count objects arranged in a grid using multiplication. It introduces the concept of using rows and columns to simplify counting, especially when dealing with large numbers of objects. The tutorial further explores the distributive property, demonstrating how it can be used to break down complex multiplication problems into simpler parts. Through examples, the video illustrates how the distributive property aids in calculating products of larger numbers, emphasizing its usefulness in mathematical computations.

Why is it useful to use multiplication instead of counting each object individually in an array?

• It is faster and more efficient.

• It is more fun.

• It is the only way to count objects.

• It is required by law.

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How many rows and columns are there in the given example?

• 3 rows and 6 columns

• 4 rows and 7 columns

• 5 rows and 8 columns

• 6 rows and 9 columns

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What is the result of multiplying 4 rows by 7 columns?

• 21

• 32

• 24

• 28

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What is the distributive property in multiplication?

• Multiplying each number separately and then adding the results.

• Adding each number separately and then multiplying the results.

• Subtracting each number separately and then adding the results.

• Dividing each number separately and then multiplying the results.

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How can you break down 7 columns using the distributive property?

• 3 columns and 4 columns

• 6 columns and 1 column

• 4 columns and 3 columns

• 5 columns and 2 columns

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What is the result of 4 times 5 plus 4 times 2?

• 18

• 20

• 28

• 30

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How can you decompose 36 to make it easier to multiply by 6?

• 20 and 16

• 30 and 6

• 25 and 11

• 28 and 8

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What is the result of 6 times 30 plus 6 times 6?

• 222

• 216

• 186

• 180

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CCSS.3.OA.B.5

Why is the distributive property useful for larger numbers?

• It is a requirement in advanced mathematics.

• It makes the numbers larger.

• It simplifies the multiplication process.

• It makes the numbers smaller.

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What is the final result of multiplying 6 by 36 using the distributive property?

• 222

• 216

• 186

• 180

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