Multiplying multi-digit numbers

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What is multiplication?

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Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 3 multiplied by 4 (3 x 4) means adding 3 four times: 3 + 3 + 3 + 3 = 12.

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What is the product in multiplication?

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The product is the result of multiplying two or more numbers together. For example, in the multiplication problem 5 x 6, the product is 30.

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How do you multiply multi-digit numbers?

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To multiply multi-digit numbers, you can use the standard algorithm: multiply each digit of the bottom number by each digit of the top number, keeping track of place value, and then add the results.

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What is an estimate in multiplication?

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An estimate is a rough calculation of a number that is close to the actual value. It helps to quickly assess the size of the product without calculating the exact answer.

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What is the first step in multiplying 723 by 72?

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The first step is to multiply the ones place of the bottom number (2) by the top number (723), which gives you 1,446.

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What is the answer to the multiplication problem 619 x 80?

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The answer is 49,520.

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What does it mean to multiply by 10?

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Multiplying by 10 means to shift the digits of a number one place to the left, effectively increasing its value tenfold. For example, 5 x 10 = 50.

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What is the associative property of multiplication?

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The associative property states that the way in which numbers are grouped in multiplication does not change the product. For example, (2 x 3) x 4 = 2 x (3 x 4).

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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 in a multiplication problem does not change the product. For example, 4 x 5 = 5 x 4.

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What is the multiplication of 3,510 by 7?

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The multiplication of 3,510 by 7 is 24,570.