Multiply Whole Numbers

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What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. It combines two numbers to produce a product.

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What is the product of two whole numbers?

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The product of two whole numbers is the result obtained when one number is multiplied by the other.

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How do you multiply whole numbers?

Back

To multiply whole numbers, align the numbers vertically, multiply each digit of the bottom number by each digit of the top number, and then add the results together.

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What is the associative property of multiplication?

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The associative property of multiplication states that the way in which numbers are grouped in multiplication does not change the product. For example, (a x b) x c = a x (b x c).

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What is the commutative property of multiplication?

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The commutative property of multiplication states that changing the order of the numbers being multiplied does not change the product. For example, a x b = b x a.

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What is a word problem in mathematics?

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A word problem is a mathematical problem that is presented in the form of a narrative or story, requiring the reader to extract the relevant information and perform calculations to find a solution.

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How can you solve a word problem involving multiplication?

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To solve a word problem involving multiplication, identify the quantities involved, determine what is being asked, and set up a multiplication equation based on the information given.

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What is the significance of zero in multiplication?

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In multiplication, any number multiplied by zero equals zero. This is known as the zero property of multiplication.

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What is the identity property of multiplication?

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The identity property of multiplication states that any number multiplied by one remains unchanged. For example, a x 1 = a.

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How do you estimate the product of two whole numbers?

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To estimate the product of two whole numbers, round each number to the nearest ten or hundred and then multiply the rounded numbers.